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Robert Verpoorte - Publications

Affiliations: 
Pharmacognosy Leiden University, Leiden, Netherlands 
Website:
https://hoogleraren.leidenuniv.nl/id/2580
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Year Citation  Score
2020 Bouguellid G, Russo C, Lavorgna M, Piscitelli C, Ayouni K, Wilson E, Kim HK, Verpoorte R, Choi YH, Kilani-Atmani D, Atmani D, Isidori M. Antimutagenic, antigenotoxic and antiproliferative activities of Fraxinus angustifolia Vahl. leaves and stem bark extracts and their phytochemical composition. Plos One. 15: e0230690. PMID 32298276 DOI: 10.1371/Journal.Pone.0230690  0.358
2020 Oomen WW, Begines P, Mustafa NR, Wilson EG, Verpoorte R, Choi YH. Natural Deep Eutectic Solvent Extraction of Flavonoids of as a Replacement for Conventional Organic Solvents. Molecules (Basel, Switzerland). 25. PMID 32023899 DOI: 10.3390/Molecules25030617  0.311
2020 Akram MN, Verpoorte R, Pomahačová B. Methods for the analysis of galanthamine and its extraction from laboratory to industrial scale South African Journal of Botany. DOI: 10.1016/J.Sajb.2020.08.004  0.346
2020 Akram MN, Verpoorte R, Pomahačová B. Effect of bulb age on alkaloid contents of narcissus pseudonarcissus bulbs South African Journal of Botany. DOI: 10.1016/J.Sajb.2020.07.034  0.372
2019 El-Seedi HR, Khalifa SAM, Yosri N, Khatib A, Chen L, Saeed A, Efferth T, Verpoorte R. Plants mentioned in the Islamic Scriptures (Holy Qur'ân and Ahadith): Traditional uses and medicinal importance in contemporary times. Journal of Ethnopharmacology. 112007. PMID 31170516 DOI: 10.1016/J.Jep.2019.112007  0.331
2019 López-Gresa MP, Payá C, Rodrigo I, Bellés JM, Barceló S, Hae Choi Y, Verpoorte R, Lisón P. Effect of Benzothiadiazole on the Metabolome of Tomato Plants Infected by Citrus Exocortis Viroid. Viruses. 11. PMID 31091764 DOI: 10.3390/V11050437  0.321
2019 Strzemski M, Wójciak-Kosior M, Sowa I, Załuski D, Verpoorte R. Historical and traditional medical applications of Carlina acaulis L. - A critical ethnopharmacological review. Journal of Ethnopharmacology. 111842. PMID 30948315 DOI: 10.1016/J.Jep.2019.111842  0.332
2019 Geerlings A, Hallard D, Martinez Caballero A, Lopes Cardoso I, van der Heijden R, Verpoorte R. Alkaloid production by a Cinchona officinalis 'Ledgeriana' hairy root culture containing constitutive expression constructs of tryptophan decarboxylase and strictosidine synthase cDNAs from Catharanthus roseus. Plant Cell Reports. 19: 191-196. PMID 30754747 DOI: 10.1007/S002990050732  0.303
2019 Hallard D, van der Heijden R, Verpoorte R, Cardoso MIL, Pasquali G, Memelink J, Hoge JHC. Suspension cultured transgenic cells of Nicotiana tabacum expressing tryptophan decarboxylase and strictosidine synthase cDNAs from Catharanthus roseus produce strictosidine upon secologanin feeding. Plant Cell Reports. 17: 50-54. PMID 30732419 DOI: 10.1007/S002990050350  0.309
2019 Höft M, Verpoorte R, Beck E. Growth and alkaloid contents in leaves of Tabernaemontana pachysiphon Stapf (Apocynaceae) as influenced by light intensity, water and nutrient supply. Oecologia. 107: 160-169. PMID 28307301 DOI: 10.1007/Bf00327899  0.321
2018 Saiman MZ, Miettinen K, Mustafa NR, Choi YH, Verpoorte R, Schulte AE. Metabolic alteration of cell suspension cultures overexpressing in the plastids or cytosol. Plant Cell, Tissue and Organ Culture. 134: 41-53. PMID 31007320 DOI: 10.1007/S11240-018-1398-5  0.332
2018 Saiman MZ, Mustafa NR, Verpoorte R. Analysis of Terpenoid Indole Alkaloids, Carotenoids, Phytosterols, and NMR-Based Metabolomics for Catharanthus roseus Cell Suspension Cultures. Methods in Molecular Biology (Clifton, N.J.). 1815: 437-455. PMID 29981141 DOI: 10.1007/978-1-4939-8594-4_31  0.399
2018 Khoyratty S, Kodja H, Verpoorte R. Vanilla flavor production methods: A review Industrial Crops and Products. 125: 433-442. DOI: 10.1016/J.Indcrop.2018.09.028  0.391
2018 Vanda H, Dai Y, Wilson EG, Verpoorte R, Choi YH. Green solvents from ionic liquids and deep eutectic solvents to natural deep eutectic solvents Comptes Rendus Chimie. 21: 628-638. DOI: 10.1016/J.Crci.2018.04.002  0.303
2017 Liu X, Ahlgren S, Korthout HAAJ, Salomé-Abarca LF, Bayona LM, Verpoorte R, Choi YH. Broad range chemical profiling of natural deep eutectic solvent extracts using a high performance thin layer chromatography-based method. Journal of Chromatography. A. PMID 29229334 DOI: 10.1016/J.Chroma.2017.12.009  0.362
2017 Abreu AC, Coqueiro A, Sultan AR, Lemmens N, Kim HK, Verpoorte R, van Wamel WJB, Simões M, Choi YH. Looking to nature for a new concept in antimicrobial treatments: isoflavonoids from Cytisus striatus as antibiotic adjuvants against MRSA. Scientific Reports. 7: 3777. PMID 28630440 DOI: 10.1038/S41598-017-03716-7  0.313
2016 Załuski D, Olech M, Galanty A, Verpoorte R, Kuźniewski R, Nowak R, Bogucka-Kocka A. Phytochemical Content and Pharma-Nutrition Study on Eleutherococcus senticosus Fruits Intractum. Oxidative Medicine and Cellular Longevity. 2016: 9270691. PMID 27843534 DOI: 10.1155/2016/9270691  0.316
2016 Coqueiro A, Choi YH, Verpoorte R, Gupta KB, De Mieri M, Hamburger M, Young MC, Stapleton P, Gibbons S, Bolzani VD. Antistaphylococcal Prenylated Acylphoroglucinol and Xanthones from Kielmeyera variabilis. Journal of Natural Products. PMID 26900954 DOI: 10.1021/Acs.Jnatprod.5B00858  0.32
2016 Pan Q, Saiman MZ, Mustafa NR, Verpoorte R, Tang K. A simple and rapid HPLC-DAD method for simultaneously monitoring the accumulation of alkaloids and precursors in different parts and different developmental stages of Catharanthus roseus plants. Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences. 1014: 10-16. PMID 26854826 DOI: 10.1016/J.Jchromb.2016.01.034  0.371
2016 Dai Y, Rozema E, Verpoorte R, Choi YH. Application of natural deep eutectic solvents to the extraction of anthocyanins from Catharanthus roseus with high extractability and stability replacing conventional organic solvents. Journal of Chromatography. A. PMID 26822320 DOI: 10.1016/J.Chroma.2016.01.037  0.319
2016 Akhtar MT, Mustafa NR, Verpoorte R. Hydroxylation and glycosylation of Δ9-tetrahydrocannabinol by Catharanthus roseus cell suspension culture Biocatalysis and Biotransformation. 1-8. DOI: 10.3109/10242422.2016.1151006  0.362
2016 Akhtar MT, Shaari K, Verpoorte R. Biotransformation of Tetrahydrocannabinol Phytochemistry Reviews. 15: 921-934. DOI: 10.1007/S11101-015-9438-9  0.354
2016 Pan Q, Mustafa NR, Tang K, Choi YH, Verpoorte R. Monoterpenoid indole alkaloids biosynthesis and its regulation in Catharanthus roseus: a literature review from genes to metabolites Phytochemistry Reviews. 15: 221-250. DOI: 10.1007/S11101-015-9406-4  0.306
2015 Kodja H, Noirot M, Khoyratty SS, Limbada H, Verpoorte R, Palama TL. Biochemical characterization of embryogenic calli of Vanilla planifolia in response to two years of thidiazuron treatment. Plant Physiology and Biochemistry : Ppb / SociéTé FrançAise De Physiologie VéGéTale. 96: 337-44. PMID 26351150 DOI: 10.1016/J.Plaphy.2015.08.017  0.336
2015 Zheng L, Wang M, Ibarra-Estrada E, Wu C, Wilson EG, Verpoorte R, Klinkhamer PG, Choi YH. Investigation of chemomarkers of astragali radix of different ages and geographical origin by NMR profiling. Molecules (Basel, Switzerland). 20: 3389-405. PMID 25690295 DOI: 10.3390/Molecules20023389  0.336
2015 Ayouni K, Berboucha-Rahmani M, Kim HK, Atmani D, Verpoorte R, Choi YH. Metabolomic tool to identify antioxidant compounds of Fraxinus angustifolia leaf and stem bark extracts Industrial Crops and Products. DOI: 10.1016/J.Indcrop.2016.01.001  0.362
2015 Saiman MZ, Mustafa NR, Choi YH, Verpoorte R, Schulte AE. Metabolic alterations and distribution of five-carbon precursors in jasmonic acid-elicited Catharanthus roseus cell suspension cultures Plant Cell, Tissue and Organ Culture. 122: 351-362. DOI: 10.1007/S11240-015-0773-8  0.317
2014 Scognamiglio M, Fiumano V, D'Abrosca B, Esposito A, Choi YH, Verpoorte R, Fiorentino A. Chemical interactions between plants in Mediterranean vegetation: the influence of selected plant extracts on Aegilops geniculata metabolome. Phytochemistry. 106: 69-85. PMID 25073950 DOI: 10.1016/J.Phytochem.2014.07.006  0.378
2014 Nuringtyas TR, Verpoorte R, Klinkhamer PG, van Oers MM, Leiss KA. Toxicity of pyrrolizidine alkaloids to Spodoptera exigua using insect cell lines and injection bioassays. Journal of Chemical Ecology. 40: 609-16. PMID 24981118 DOI: 10.1007/S10886-014-0459-4  0.302
2014 Shikov AN, Pozharitskaya ON, Makarov VG, Wagner H, Verpoorte R, Heinrich M. Medicinal plants of the Russian Pharmacopoeia; their history and applications. Journal of Ethnopharmacology. 154: 481-536. PMID 24742754 DOI: 10.1016/J.Jep.2014.04.007  0.338
2014 Miettinen K, Dong L, Navrot N, Schneider T, Burlat V, Pollier J, Woittiez L, van der Krol S, Lugan R, Ilc T, Verpoorte R, Oksman-Caldentey KM, Martinoia E, Bouwmeester H, Goossens A, et al. The seco-iridoid pathway from Catharanthus roseus. Nature Communications. 5: 3606. PMID 24710322 DOI: 10.1038/Ncomms4606  0.34
2014 Pan Q, Dai Y, Nuringtyas TR, Mustafa NR, Schulte AE, Verpoorte R, Choi YH. Investigation of the chemomarkers correlated with flower colour in different organs of Catharanthus roseus using NMR-based metabolomics. Phytochemical Analysis : Pca. 25: 66-74. PMID 24151112 DOI: 10.1002/Pca.2464  0.351
2014 Santos Pimenta LP, Schilthuizen M, Verpoorte R, Choi YH. Quantitative analysis of amygdalin and prunasin in Prunus serotina Ehrh. using (1) H-NMR spectroscopy. Phytochemical Analysis : Pca. 25: 122-6. PMID 24115144 DOI: 10.1002/Pca.2476  0.358
2014 Stojakowska A, Malarz J, Van der Heijden R, Verpoorte R. Accumulation of ixerin F and activities of some terpenoid bisynthetic enzymes in a cell suspension culture of Lactuca virosa L. Acta Societatis Botanicorum Poloniae. 66: 185-188. DOI: 10.5586/Asbp.1997.023  0.301
2014 Rachmaniah O, Choi YH, Arruabarrena I, Vermeulen B, Van Spronsen J, Verpoorte R, Witkamp GJ. Environmentally benign supercritical CO2 extraction of galanthamine from floricultural crop waste of Narcissus pseudonarcissus Journal of Supercritical Fluids. 93: 7-19. DOI: 10.1016/J.Supflu.2014.05.023  0.323
2013 Charoonratanaa T, Wungsintaweekul J, Pathompak P, Georgiev MI, Choi YH, Verpoorte R. Limitation of mitragynine biosynthesis in Mitragyna speciosa (Roxb.) Korth. through tryptamine availability. Zeitschrift FüR Naturforschung. C, Journal of Biosciences. 68: 394-405. PMID 24459773 DOI: 10.1515/Znc-2013-9-1007  0.314
2013 Wijnsma R, Go JT, van Weerden IN, Harkes PA, Verpoorte R, Baerheim Svendsen A. Anthraquinones as phytoalexins in cell and tissue cultures of Cinchona spec. Plant Cell Reports. 4: 241-4. PMID 24253978 DOI: 10.1007/Bf00269367  0.361
2013 Hoekstra SS, Harkes PA, Verpoorte R, Libbenga KR. Effect of auxin on cytodifferentiation and production of quinoline alkaloids in compact globular structures of Cinchona ledgeriana. Plant Cell Reports. 8: 571-4. PMID 24232673 DOI: 10.1007/Bf00270055  0.31
2013 Moreno PR, van der Heijden R, Verpoorte R. Effect of terpenoid precursor feeding and elicitation on formation of indole alkaloids in cell suspension cultures of Catharanthus roseus. Plant Cell Reports. 12: 702-5. PMID 24201968 DOI: 10.1007/Bf00233423  0.311
2013 Dagnino D, Schripsema J, Verpoorte R. Comparison of terpenoid indole alkaloid production and degradation in two cell lines of Tabernaemontana divaricata. Plant Cell Reports. 13: 95-8. PMID 24196295 DOI: 10.1007/Bf00235298  0.312
2013 Blom TJ, Sierra M, van Vliet TB, Franke-van Dijk ME, de Koning P, van Iren F, Verpoorte R, Libbenga KR. Uptake and accumulation of ajmalicine into isolated vacuoles of cultured cells of Catharanthus roseus (L.) G. Don. and its conversion into serpentine. Planta. 183: 170-7. PMID 24193617 DOI: 10.1007/Bf00197785  0.335
2013 Moreno PR, van der Heijden R, Verpoorte R. Elicitor-mediated induction of isochorismate synthase and accumulation of 2,3-dihydroxy benzoic acid in Catharanthus roseus cell suspension and shoot cultures. Plant Cell Reports. 14: 188-91. PMID 24192892 DOI: 10.1007/Bf00233788  0.357
2013 Pimenta LP, Kim HK, Verpoorte R, Choi YH. NMR-based metabolomics: a probe to utilize biodiversity. Methods in Molecular Biology (Clifton, N.J.). 1055: 117-27. PMID 23963907 DOI: 10.1007/978-1-62703-577-4_9  0.315
2013 Ali K, Iqbal M, Fortes AM, Pais MS, Korthout HA, Verpoorte R, Choi YH. Red wines attenuate TNFα production in human histiocytic lymphoma cell line: an NMR spectroscopy and chemometrics based study. Food Chemistry. 141: 3124-30. PMID 23871068 DOI: 10.1016/J.Foodchem.2013.06.001  0.339
2013 Dai Y, Witkamp GJ, Verpoorte R, Choi YH. Natural deep eutectic solvents as a new extraction media for phenolic metabolites in Carthamus tinctorius L. Analytical Chemistry. 85: 6272-8. PMID 23710664 DOI: 10.1021/Ac400432P  0.32
2013 Georgiev MI, Ivanovska N, Alipieva K, Dimitrova P, Verpoorte R. Harpagoside: from Kalahari Desert to pharmacy shelf. Phytochemistry. 92: 8-15. PMID 23642455 DOI: 10.1016/J.Phytochem.2013.04.009  0.391
2013 D'Abrosca B, Scognamiglio M, Fiumano V, Esposito A, Choi YH, Verpoorte R, Fiorentino A. Plant bioassay to assess the effects of allelochemicals on the metabolome of the target species Aegilops geniculata by an NMR-based approach. Phytochemistry. 93: 27-40. PMID 23628625 DOI: 10.1016/J.Phytochem.2013.03.016  0.397
2013 Kim HK, Choi YH, Verpoorte R. Profiling the jasmonic acid responses by nuclear magnetic resonance-based metabolomics. Methods in Molecular Biology (Clifton, N.J.). 1011: 267-75. PMID 23616003 DOI: 10.1007/978-1-62703-414-2_21  0.346
2013 Wahyuni DS, van der Kooy F, Klinkhamer PG, Verpoorte R, Leiss K. The use of bio-guided fractionation to explore the use of leftover biomass in Dutch flower bulb production as allelochemicals against weeds. Molecules (Basel, Switzerland). 18: 4510-25. PMID 23595089 DOI: 10.3390/Molecules18044510  0.34
2013 Leiss KA, Cristofori G, van Steenis R, Verpoorte R, Klinkhamer PG. An eco-metabolomic study of host plant resistance to Western flower thrips in cultivated, biofortified and wild carrots. Phytochemistry. 93: 63-70. PMID 23583013 DOI: 10.1016/J.Phytochem.2013.03.011  0.333
2013 Toyang NJ, Verpoorte R. A review of the medicinal potentials of plants of the genus Vernonia (Asteraceae) Journal of Ethnopharmacology. 146: 681-723. PMID 23395623 DOI: 10.1016/J.Jep.2013.01.040  0.335
2013 Lubbe A, Gude H, Verpoorte R, Choi YH. Seasonal accumulation of major alkaloids in organs of pharmaceutical crop Narcissus Carlton. Phytochemistry. 88: 43-53. PMID 23318143 DOI: 10.1016/J.Phytochem.2012.12.008  0.377
2013 Antonio C, Mustafa NR, Osorio S, Tohge T, Giavalisco P, Willmitzer L, Rischer H, Oksman-Caldentey KM, Verpoorte R, Fernie AR. Analysis of the interface between primary and secondary metabolism in catharanthus roseus cell cultures using (13)C-stable isotope feeding and coupled mass spectrometry. Molecular Plant. 6: 581-4. PMID 23253601 DOI: 10.1093/Mp/Sss156  0.393
2013 Goldhaber-Pasillas GD, Choi YH, Verpoorte R. New methods of analysis and investigation of terpenoid indole alkaloids Advances in Botanical Research. 68: 233-272. DOI: 10.1016/B978-0-12-408061-4.00009-2  0.349
2013 Ali K, Iqbal M, Yuliana ND, Lee YJ, Park S, Han S, Lee JW, Lee HS, Verpoorte R, Choi YH. Identification of bioactive metabolites against adenosine A1 receptor using NMR-based metabolomics Metabolomics. 9: 778-785. DOI: 10.1007/S11306-013-0498-9  0.319
2013 Yuliana ND, Jahangir M, Verpoorte R, Choi YH. Metabolomics for the rapid dereplication of bioactive compounds from natural sources Phytochemistry Reviews. 12: 293-304. DOI: 10.1007/S11101-013-9297-1  0.361
2012 Ali K, Iqbal M, Korthout HA, Maltese F, Fortes AM, Pais MS, Verpoorte R, Choi YH. NMR spectroscopy and chemometrics as a tool for anti-TNFα activity screening in crude extracts of grapes and other berries. Metabolomics : Official Journal of the Metabolomic Society. 8: 1148-1161. PMID 23136560 DOI: 10.1007/S11306-012-0406-8  0.357
2012 Toyang NJ, Ateh EN, Keiser J, Vargas M, Bach H, Tane P, Sondengam LB, Davis H, Bryant J, Verpoorte R. Toxicity, antimicrobial and anthelmintic activities of Vernonia guineensis Benth. (Asteraceae) crude extracts. Journal of Ethnopharmacology. 144: 700-4. PMID 23107821 DOI: 10.1016/J.Jep.2012.10.016  0.368
2012 Agnolet S, Wiese S, Verpoorte R, Staerk D. Comprehensive analysis of commercial willow bark extracts by new technology platform: combined use of metabolomics, high-performance liquid chromatography-solid-phase extraction-nuclear magnetic resonance spectroscopy and high-resolution radical scavenging assay. Journal of Chromatography. A. 1262: 130-7. PMID 23021634 DOI: 10.1016/J.Chroma.2012.09.013  0.325
2012 Fischedick JT, Standiford M, Johnson DA, De Vos RC, Todorović S, Banjanac T, Verpoorte R, Johnson JA. Activation of antioxidant response element in mouse primary cortical cultures with sesquiterpene lactones isolated from Tanacetum parthenium. Planta Medica. 78: 1725-30. PMID 22923197 DOI: 10.1055/S-0032-1315241  0.32
2012 Pan Q, Wang Q, Yuan F, Xing S, Zhao J, Choi YH, Verpoorte R, Tian Y, Wang G, Tang K. Overexpression of ORCA3 and G10H in Catharanthus roseus plants regulated alkaloid biosynthesis and metabolism revealed by NMR-metabolomics. Plos One. 7: e43038. PMID 22916202 DOI: 10.1371/Journal.Pone.0043038  0.361
2012 Palama TL, Grisoni M, Fock-Bastide I, Jade K, Bartet L, Choi YH, Verpoorte R, Kodja H. Metabolome of Vanilla planifolia (Orchidaceae) and related species under Cymbidium mosaic virus (CymMV) infection. Plant Physiology and Biochemistry : Ppb / SociéTé FrançAise De Physiologie VéGéTale. 60: 25-34. PMID 22902551 DOI: 10.1016/J.Plaphy.2012.07.015  0.31
2012 Lubbe A, Verpoorte R, Choi YH. Effects of fungicides on galanthamine and metabolite profiles in Narcissus bulbs. Plant Physiology and Biochemistry : Ppb / SociéTé FrançAise De Physiologie VéGéTale. 58: 116-23. PMID 22804878 DOI: 10.1055/S-0032-1320350  0.388
2012 López-Gresa MP, Lisón P, Kim HK, Choi YH, Verpoorte R, Rodrigo I, Conejero V, Bellés JM. Metabolic fingerprinting of Tomato Mosaic Virus infected Solanum lycopersicum. Journal of Plant Physiology. 169: 1586-96. PMID 22795749 DOI: 10.1016/J.Jplph.2012.05.021  0.34
2012 Ali K, Maltese F, Figueiredo A, Rex M, Fortes AM, Zyprian E, Pais MS, Verpoorte R, Choi YH. Alterations in grapevine leaf metabolism upon inoculation with Plasmopara viticola in different time-points. Plant Science : An International Journal of Experimental Plant Biology. 191: 100-7. PMID 22682569 DOI: 10.1016/J.Plantsci.2012.04.014  0.328
2012 Nuringtyas TR, Choi YH, Verpoorte R, Klinkhamer PG, Leiss KA. Differential tissue distribution of metabolites in Jacobaea vulgaris, Jacobaea aquatica and their crosses. Phytochemistry. 78: 89-97. PMID 22516740 DOI: 10.1016/J.Phytochem.2012.03.011  0.34
2012 Flores-Sanchez IJ, Choi YH, Verpoorte R. Metabolite analysis of Cannabis sativa L. by NMR spectroscopy. Methods in Molecular Biology (Clifton, N.J.). 815: 363-75. PMID 22131005 DOI: 10.1007/978-1-61779-424-7_27  0.398
2012 Saiman MZ, Mustafa NR, Schulte AE, Verpoorte R, Choi YH. Induction, characterization, and NMR-based metabolic profiling of adventitious root cultures from leaf explants of Gynura procumbens Plant Cell, Tissue and Organ Culture. 109: 465-475. DOI: 10.1007/S11240-011-0111-8  0.377
2011 Ali K, Maltese F, Fortes AM, Pais MS, Verpoorte R, Choi YH. Pre-analytical method for NMR-based grape metabolic fingerprinting and chemometrics. Analytica Chimica Acta. 703: 179-86. PMID 21889632 DOI: 10.1016/J.Aca.2011.07.036  0.364
2011 Georgiev MI, Ali K, Alipieva K, Verpoorte R, Choi YH. Metabolic differentiations and classification of Verbascum species by NMR-based metabolomics. Phytochemistry. 72: 2045-51. PMID 21807390 DOI: 10.1016/J.Phytochem.2011.07.005  0.335
2011 Yuliana ND, Khatib A, Verpoorte R, Choi YH. Comprehensive extraction method integrated with NMR metabolomics: a new bioactivity screening method for plants, adenosine A1 receptor binding compounds in Orthosiphon stamineus Benth. Analytical Chemistry. 83: 6902-6. PMID 21800886 DOI: 10.1021/Ac201458N  0.378
2011 Leiss KA, Choi YH, Verpoorte R, Klinkhamer PG. An overview of NMR-based metabolomics to identify secondary plant compounds involved in host plant resistance. Phytochemistry Reviews : Proceedings of the Phytochemical Society of Europe. 10: 205-216. PMID 21765818 DOI: 10.1007/S11101-010-9175-Z  0.355
2011 Namdeo AG, Sharma A, Yadav KN, Gawande R, Mahadik KR, Lopez-Gresa MP, Kim HK, Choi YH, Verpoorte R. Metabolic characterization of Withania somnifera from different regions of India using NMR spectroscopy. Planta Medica. 77: 1958-64. PMID 21728148 DOI: 10.1055/S-0031-1279997  0.393
2011 Mustafa NR, de Winter W, van Iren F, Verpoorte R. Initiation, growth and cryopreservation of plant cell suspension cultures. Nature Protocols. 6: 715-42. PMID 21637194 DOI: 10.1038/Nprot.2010.144  0.359
2011 van der Kooy F, Verpoorte R. The content of artemisinin in the Artemisia annua tea infusion. Planta Medica. 77: 1754-6. PMID 21544776 DOI: 10.1055/S-0030-1271065  0.327
2011 Kim HK, Choi YH, Verpoorte R. NMR-based plant metabolomics: where do we stand, where do we go? Trends in Biotechnology. 29: 267-75. PMID 21435731 DOI: 10.1016/J.Tibtech.2011.02.001  0.346
2011 Lubbe A, Choi YH, Vreeburg P, Verpoorte R. Effect of fertilizers on galanthamine and metabolite profiles in Narcissus bulbs by 1H NMR. Journal of Agricultural and Food Chemistry. 59: 3155-61. PMID 21375239 DOI: 10.1021/Jf104422M  0.339
2011 Ali K, Maltese F, Toepfer R, Choi YH, Verpoorte R. Metabolic characterization of Palatinate German white wines according to sensory attributes, varieties, and vintages using NMR spectroscopy and multivariate data analyses. Journal of Biomolecular Nmr. 49: 255-66. PMID 21359513 DOI: 10.1007/S10858-011-9487-3  0.327
2011 Abreu IN, Choi YH, Sawaya AC, Eberlin MN, Mazzafera P, Verpoorte R. Metabolic alterations in different developmental stages of Pilocarpus microphyllus. Planta Medica. 77: 293-300. PMID 20845264 DOI: 10.1055/S-0030-1250314  0.358
2011 Choi Y, Kim H, Verpoorte R. Impulse Lecture: Metabolic characterization of plants using NMR-based metabolomics Planta Medica. 77. DOI: 10.1055/S-0031-1282091  0.337
2011 Perrotin-Brunel H, Buijs W, Spronsen JV, Roosmalen MJEV, Peters CJ, Verpoorte R, Witkamp GJ. Decarboxylation of Δ9-tetrahydrocannabinol: Kinetics and molecular modeling Journal of Molecular Structure. 987: 67-73. DOI: 10.1016/J.Molstruc.2010.11.061  0.323
2011 Lubbe A, Verpoorte R. Cultivation of medicinal and aromatic plants for specialty industrial materials Industrial Crops and Products. 34: 785-801. DOI: 10.1016/J.Indcrop.2011.01.019  0.309
2011 Ali K, Maltese F, Fortes AM, Pais MS, Choi YH, Verpoorte R. Monitoring biochemical changes during grape berry development in Portuguese cultivars by NMR spectroscopy Food Chemistry. 124: 1760-1769. DOI: 10.1016/J.Foodchem.2010.08.015  0.334
2011 Palama TL, Khatib A, Choi YH, Côme B, Fock I, Verpoorte R, Kodja H. Metabolic characterization of green pods from Vanilla planifolia accessions grown in La Réunion Environmental and Experimental Botany. 72: 258-265. DOI: 10.1016/J.Envexpbot.2011.03.015  0.319
2010 Flores-Sanchez IJ, Linthorst HJ, Verpoorte R. In silicio expression analysis of PKS genes isolated from Cannabis sativa L. Genetics and Molecular Biology. 33: 703-13. PMID 21637580 DOI: 10.1590/S1415-47572010005000088  0.347
2010 Fischedick JT, Hazekamp A, Erkelens T, Choi YH, Verpoorte R. Metabolic fingerprinting of Cannabis sativa L., cannabinoids and terpenoids for chemotaxonomic and drug standardization purposes Phytochemistry. 71: 2058-2073. PMID 21040939 DOI: 10.1016/J.Phytochem.2010.10.001  0.354
2010 Ali K, Maltese F, Choi YH, Verpoorte R. Metabolic constituents of grapevine and grape-derived products. Phytochemistry Reviews : Proceedings of the Phytochemical Society of Europe. 9: 357-378. PMID 20835385 DOI: 10.1007/S11101-009-9158-0  0.334
2010 Simoh S, Linthorst HJM, Lefeber AWM, Erkelens C, Kim HK, Choi YH, Verpoorte R. Metabolic changes of Brassica rapa transformed with a bacterial isochorismate synthase gene Journal of Plant Physiology. 167: 1525-1532. PMID 20705362 DOI: 10.1016/J.Jplph.2010.06.022  0.351
2010 Agnolet S, Jaroszewski JW, Verpoorte R, Staerk D. H NMR-based metabolomics combined with HPLC-PDA-MS-SPE-NMR for investigation of standardized Ginkgo biloba preparations. Metabolomics : Official Journal of the Metabolomic Society. 6: 292-302. PMID 20526353 DOI: 10.1007/S11306-009-0195-X  0.332
2010 Palama TL, Menard P, Fock I, Choi YH, Bourdon E, Govinden-Soulange J, Bahut M, Payet B, Verpoorte R, Kodja H. Shoot differentiation from protocorm callus cultures of Vanilla planifolia (Orchidaceae): proteomic and metabolic responses at early stage. Bmc Plant Biology. 10: 82. PMID 20444255 DOI: 10.1186/1471-2229-10-82  0.356
2010 Liu NQ, Choi YH, Verpoorte R, van der Kooy F. Comparative quantitative analysis of artemisinin by chromatography and qNMR. Phytochemical Analysis : Pca. 21: 451-6. PMID 20310073 DOI: 10.1002/Pca.1217  0.349
2010 Pec J, Flores-Sanchez IJ, Choi YH, Verpoorte R. Metabolic analysis of elicited cell suspension cultures of Cannabis sativa L. by (1)H-NMR spectroscopy. Biotechnology Letters. 32: 935-41. PMID 20229065 DOI: 10.1007/S10529-010-0225-9  0.369
2010 Kim HK, Choi YH, Verpoorte R. NMR-based metabolomic analysis of plants. Nature Protocols. 5: 536-49. PMID 20203669 DOI: 10.1038/Nprot.2009.237  0.384
2010 El-Seedi HR, El-Barbary MA, El-Ghorab DMH, Bohlin L, Borg-Karlson AK, Göransson U, Verpoorte R. Recent insights into the biosynthesis and biological activities of natural xanthones Current Medicinal Chemistry. 17: 854-901. PMID 20156171 DOI: 10.2174/092986710790712147  0.307
2010 van Rijn RM, Rhee IK, Verpoorte R. Isolation of acetylcholinesterase inhibitory alkaloids from Nerine bowdenii. Natural Product Research. 24: 222-5. PMID 20140801 DOI: 10.1080/14786410802263758  0.598
2010 Liu NQ, Cao M, Frédérich M, Choi YH, Verpoorte R, van der Kooy F. Metabolomic investigation of the ethnopharmacological use of Artemisia afra with NMR spectroscopy and multivariate data analysis. Journal of Ethnopharmacology. 128: 230-5. PMID 20079415 DOI: 10.1016/J.Jep.2010.01.020  0.341
2010 Palama TL, Fock I, Choi YH, Verpoorte R, Kodja H. Biological variation of Vanilla planifolia leaf metabolome. Phytochemistry. 71: 567-73. PMID 20074761 DOI: 10.1016/J.Phytochem.2009.12.011  0.322
2010 Kim HK, Verpoorte R. Sample preparation for plant metabolomics Phytochemical Analysis. 21: 4-13. PMID 19904733 DOI: 10.1002/Pca.1188  0.313
2010 Mirnezhad M, Romero-González RR, Leiss KA, Choi YH, Verpoorte R, Klinkhamer PG. Metabolomic analysis of host plant resistance to thrips in wild and cultivated tomatoes. Phytochemical Analysis : Pca. 21: 110-7. PMID 19866459 DOI: 10.1002/Pca.1182  0.309
2010 López-Gresa MP, Maltese F, Bellés JM, Conejero V, Kim HK, Choi YH, Verpoorte R. Metabolic response of tomato leaves upon different plant-pathogen interactions. Phytochemical Analysis : Pca. 21: 89-94. PMID 19866456 DOI: 10.1002/Pca.1179  0.313
2010 Lubbe A, Pomahacová B, Choi YH, Verpoorte R. Analysis of metabolic variation and galanthamine content in Narcissus bulbs by 1H NMR. Phytochemical Analysis : Pca. 21: 66-72. PMID 19743067 DOI: 10.1002/Pca.1157  0.357
2010 Raharjo TJ, Eucharia O, Chang W, Verpoorte R. CALLUS INDUCTION AND PHYTOCHEMICAL CHARACTERIZATION OF Cannabis sativa CELL SUSPENSION CULTURES Indonesian Journal of Chemistry. 6: 70-74. DOI: 10.22146/Ijc.21776  0.36
2010 Shikov AN, Kundracikova M, Palama TL, Pozharitskaya ON, Kosman VM, Makarov VG, Galambosi B, Kim HJ, Jang YP, Choi YH, Verpoorte R. Phenolic constituents of Gnaphalium uliginosum L Phytochemistry Letters. 3: 45-47. DOI: 10.1016/J.Phytol.2009.11.002  0.332
2009 Ali K, Maltese F, Zyprian E, Rex M, Choi YH, Verpoorte R. NMR metabolic fingerprinting based identification of grapevine metabolites associated with downy mildew resistance. Journal of Agricultural and Food Chemistry. 57: 9599-606. PMID 19785416 DOI: 10.1021/Jf902069F  0.346
2009 Mustafa NR, Kim HK, Choi YH, Verpoorte R. Metabolic changes of salicylic acid-elicited Catharanthus roseus cell suspension cultures monitored by NMR-based metabolomics. Biotechnology Letters. 31: 1967-74. PMID 19701606 DOI: 10.1007/S10529-009-0107-1  0.322
2009 Palama TL, Khatib A, Choi YH, Payet B, Fock I, Verpoorte R, Kodja H. Metabolic changes in different developmental stages of Vanilla planifolia pods. Journal of Agricultural and Food Chemistry. 57: 7651-8. PMID 19681612 DOI: 10.1021/Jf901508F  0.34
2009 El-Seedi HR, El-Ghorab DMH, El-Barbary MA, Zayed MF, Göransson U, Larsson S, Verpoorte R. Naturally occurring xanthones; Latest investigations: Isolation, structure elucidation and chemosystematic significance Current Medicinal Chemistry. 16: 2581-2626. PMID 19601799 DOI: 10.2174/092986709788682056  0.361
2009 Flores-Sanchez IJ, Pec J, Fei J, Choi YH, Dusek J, Verpoorte R. Elicitation studies in cell suspension cultures of Cannabis sativa L. Journal of Biotechnology. 143: 157-68. PMID 19500620 DOI: 10.1016/J.Jbiotec.2009.05.006  0.349
2009 Leiss KA, Maltese F, Choi YH, Verpoorte R, Klinkhamer PG. Identification of chlorogenic acid as a resistance factor for thrips in chrysanthemum. Plant Physiology. 150: 1567-75. PMID 19448039 DOI: 10.1104/Pp.109.138131  0.309
2009 Maltese F, van der Kooy F, Verpoorte R. Solvent derived artifacts in natural products chemistry. Natural Product Communications. 4: 447-54. PMID 19413130 DOI: 10.1177/1934578X0900400326  0.336
2009 Leiss KA, Choi YH, Abdel-Farid IB, Verpoorte R, Klinkhamer PG. NMR metabolomics of thrips (Frankliniella occidentalis) resistance in Senecio hybrids. Journal of Chemical Ecology. 35: 219-29. PMID 19169751 DOI: 10.1007/S10886-008-9586-0  0.331
2009 Flores-Sanchez IJ, Verpoorte R. Plant polyketide synthases: a fascinating group of enzymes. Plant Physiology and Biochemistry : Ppb / SociéTé FrançAise De Physiologie VéGéTale. 47: 167-74. PMID 19071029 DOI: 10.1016/J.Plaphy.2008.11.005  0.346
2009 Hien Dao TT, Puig RC, Kim HK, Erkelens C, Lefeber AWM, Linthorst HJM, Choi YH, Verpoorte R. Effect of benzothiadiazole on the metabolome of Arabidopsis thaliana Plant Physiology and Biochemistry. 47: 146-152. PMID 19010687 DOI: 10.1016/J.Plaphy.2008.10.001  0.361
2009 Marçal R, Silva-Mann R, Mushtaq M, Castro R, Pelacani C, Hilhorst H, Choi Y, Verpoorte R, Hall R, Vos Rd. Metabolic profiling of the Brazilian medicinal plant Erythrina velutina (Willd) Fabaceae Planta Medica. 75. DOI: 10.1055/S-0029-1234696  0.332
2009 Liu NQ, Van der Kooy F, Verpoorte R. Artemisia afra: A potential flagship for African medicinal plants? South African Journal of Botany. 75: 185-195. DOI: 10.1016/J.Sajb.2008.11.001  0.309
2009 Abdel-Farid IB, Jahangir M, van den Hondel CAMJJ, Kim HK, Choi YH, Verpoorte R. Fungal infection-induced metabolites in Brassica rapa Plant Science. 176: 608-615. DOI: 10.1016/J.Plantsci.2009.01.017  0.315
2009 Maltese F, Erkelens C, Kooy Fvd, Choi YH, Verpoorte R. Identification of natural epimeric flavanone glycosides by NMR spectroscopy Food Chemistry. 116: 575-579. DOI: 10.1016/J.Foodchem.2009.03.023  0.3
2009 Jahangir M, Abdel-Farid IB, Kim HK, Choi YH, Verpoorte R. Healthy and unhealthy plants: The effect of stress on the metabolism of Brassicaceae Environmental and Experimental Botany. 67: 23-33. DOI: 10.1016/J.Envexpbot.2009.06.007  0.369
2009 Arany AM, de Jong TJ, Kim HK, van Dam NM, Choi YH, van Mil HGJ, Verpoorte R, van der Meijden E. Genotype-environment interactions affect flower and fruit herbivory and plant chemistry of Arabidopsis thaliana in a transplant experiment Ecological Research. 24: 1161-1171. DOI: 10.1007/S11284-009-0597-2  0.322
2008 Flores-Sanchez IJ, Verpoorte R. PKS activities and biosynthesis of cannabinoids and flavonoids in Cannabis sativa L. plants Plant and Cell Physiology. 49: 1767-1782. PMID 18854334 DOI: 10.1093/Pcp/Pcn150  0.369
2008 Cardoso-Taketa AT, Pereda-Miranda R, Choi YH, Verpoorte R, Villarreal ML. Metabolic profiling of the Mexican anxiolytic and sedative plant Galphimia glauca using nuclear magnetic resonance spectroscopy and multivariate data analysis. Planta Medica. 74: 1295-301. PMID 18612944 DOI: 10.1055/S-2008-1074583  0.358
2008 Fraccaroli M, Nicoletti S, Maltese F, Choi YH, Guzzo F, Levi M, Verpoorte R. Pre-analytical method for metabolic profiling of plant cell cultures of Passiflora garckei Biotechnology Letters. 30: 2031-2036. PMID 18594770 DOI: 10.1007/S10529-008-9785-3  0.408
2008 Jahangir M, Abdel-Farid IB, Choi YH, Verpoorte R. Metal ion-inducing metabolite accumulation in Brassica rapa Journal of Plant Physiology. 165: 1429-1437. PMID 18541336 DOI: 10.1016/J.Jplph.2008.04.011  0.302
2008 Mustafa NR, Kim HK, Choi YH, Verpoorte R. Single Step Purification of Salicylic Acid fromCatharanthus roseusCell Culture (Plant Material) by Anion Exchange for NMR Analysis Journal of Liquid Chromatography & Related Technologies. 31: 702-713. DOI: 10.1080/10826070701854469  0.364
2008 Sumthong P, Romero-González RR, Verpoorte R. Identification of anti-wood rot compounds in teak (Tectona grandis L.f.) sawdust extract Journal of Wood Chemistry and Technology. 28: 247-260. DOI: 10.1080/02773810802452592  0.333
2008 Peč J, Flores-Sanchez I, Choi Y, Martin J, Dušek J, Verpoorte R. NMR metabolic profiling of biomass and medium extracts of Jasmonate or Pectin treated Cannabis sativa L. cell suspension cultures Planta Medica. 74. DOI: 10.1055/S-0028-1084525  0.339
2008 Van der Kooy F, Verpoorte R, Marion Meyer JJ. Metabolomic quality control of claimed anti-malarial Artemisia afra herbal remedy and A. afra and A. annua plant extracts South African Journal of Botany. 74: 186-189. DOI: 10.1016/J.Sajb.2007.10.004  0.353
2008 Verpoorte R. The plant cell factory: From blueprint to production Journal of Biotechnology. 136: S116-S117. DOI: 10.1016/J.Jbiotec.2008.07.374  0.329
2008 Jahangir M, Kim HK, Choi YH, Verpoorte R. Metabolomic response of Brassica rapa submitted to pre-harvest bacterial contamination Food Chemistry. 107: 362-368. DOI: 10.1016/J.Foodchem.2007.08.034  0.345
2008 Flores-Sanchez IJ, Verpoorte R. Secondary metabolism in cannabis Phytochemistry Reviews. 7: 615-639. DOI: 10.1007/S11101-008-9094-4  0.37
2008 Verpoorte R, Choi YH, Mustafa NR, Kim HK. Metabolomics: Back to basics Phytochemistry Reviews. 7: 525-537. DOI: 10.1007/S11101-008-9091-7  0.3
2008 Arany AM, De Jong TJ, Kim HK, Van Dam NM, Choi YH, Verpoorte R, Van Der Meijden E. Glucosinolates and other metabolites in the leaves of Arabidopsis thaliana from natural populations and their effects on a generalist and a specialist herbivore Chemoecology. 18: 65-71. DOI: 10.1007/S00049-007-0394-8  0.359
2007 Abdel-Farid IB, Kim HK, Choi YH, Verpoorte R. Metabolic characterization of Brassica rapa leaves by NMR spectroscopy. Journal of Agricultural and Food Chemistry. 55: 7936-43. PMID 17708639 DOI: 10.1021/Jf071294B  0.369
2007 Khatib A, Wilson EG, Kim HK, Supardi M, Choi YH, Verpoorte R. NMR assignment of iso-alpha-acids from isomerised extracts of Humulus lupulus L. cones. Phytochemical Analysis : Pca. 18: 371-7. PMID 17624889 DOI: 10.1002/Pca.991  0.305
2007 Hazekamp A, Bastola K, Rashidi H, Bender J, Verpoorte R. Cannabis tea revisited: a systematic evaluation of the cannabinoid composition of cannabis tea. Journal of Ethnopharmacology. 113: 85-90. PMID 17604926 DOI: 10.1016/J.Jep.2007.05.019  0.305
2007 Sánchez-Sampedro A, Kim HK, Choi YH, Verpoorte R, Corchete P. Metabolomic alterations in elicitor treated Silybum marianum suspension cultures monitored by nuclear magnetic resonance spectroscopy. Journal of Biotechnology. 130: 133-42. PMID 17475356 DOI: 10.1016/J.Jbiotec.2007.03.007  0.348
2007 Bastola KP, Hazekamp A, Verpoorte R. Synthesis and spectroscopic characterization of cannabinolic acid. Planta Medica. 73: 273-5. PMID 17354173 DOI: 10.1055/S-2007-967129  0.37
2007 Liang YS, Choi YH, Kim HK, Linthorst HJ, Verpoorte R. Metabolomic analysis of methyl jasmonate treated Brassica rapa leaves by 2-dimensional NMR spectroscopy. Phytochemistry. 67: 2503-11. PMID 17046035 DOI: 10.1016/J.Phytochem.2006.08.018  0.319
2007 Zhao J, Verpoorte R. Manipulating indole alkaloid production by Catharanthus roseus cell cultures in bioreactors: from biochemical processing to metabolic engineering Phytochemistry Reviews. 6: 435-457. DOI: 10.1007/S11101-006-9050-0  0.316
2007 El-Sayed M, Verpoorte R. Catharanthus terpenoid indole alkaloids: biosynthesis and regulation Phytochemistry Reviews. 6: 277-305. DOI: 10.1007/S11101-006-9047-8  0.343
2007 Mustafa NR, Verpoorte R. Phenolic compounds in Catharanthus roseus Phytochemistry Reviews. 6: 243-258. DOI: 10.1007/S11101-006-9039-8  0.343
2007 Zárate R, Verpoorte R. Strategies for the genetic modification of the medicinal plant Catharanthus roseus (L.) G. Don Phytochemistry Reviews. 6: 475-491. DOI: 10.1007/S11101-006-9020-6  0.353
2006 Widarto HT, Van Der Meijden E, Lefeber AW, Erkelens C, Kim HK, Choi YH, Verpoorte R. Metabolomic differentiation of Brassica rapa following herbivory by different insect instars using two-dimensional nuclear magnetic resonance spectroscopy. Journal of Chemical Ecology. 32: 2417-28. PMID 17080307 DOI: 10.1007/S10886-006-9152-6  0.303
2006 Sumthong P, Damveld RA, Choi YH, Arentshorst M, Ram AF, van den Hondel CA, Verpoorte R. Activity of quinones from teak (Tectona grandis) on fungal cell wall stress. Planta Medica. 72: 943-4. PMID 16972200 DOI: 10.1055/S-2006-946676  0.326
2006 Choi YH, Kim HK, Linthorst HJ, Hollander JG, Lefeber AW, Erkelens C, Nuzillard JM, Verpoorte R. NMR metabolomics to revisit the tobacco mosaic virus infection in Nicotiana tabacum leaves. Journal of Natural Products. 69: 742-8. PMID 16724833 DOI: 10.1021/Np050535B  0.32
2006 Yang SY, Kim HK, Lefeber AWM, Erkelens C, Angelova N, Choi YH, Verpoorte R. Application of two-dimensional nuclear magnetic resonance spectroscopy to quality control of ginseng commercial products Planta Medica. 72: 364-369. PMID 16557479 DOI: 10.1055/S-2005-916240  0.354
2006 Liang YS, Kim HK, Lefeber AWM, Erkelens C, Choi YH, Verpoorte R. Identification of phenylpropanoids in methyl jasmonate treated Brassica rapa leaves using two-dimensional nuclear magnetic resonance spectroscopy Journal of Chromatography A. 1112: 148-155. PMID 16375911 DOI: 10.1016/J.Chroma.2005.11.114  0.373
2006 Hendrawati O, Yao Q, Kim HK, Linthorst HJM, Erkelens C, Lefeber AWM, Choi YH, Verpoorte R. Metabolic differentiation of Arabidopsis treated with methyl jasmonate using nuclear magnetic resonance spectroscopy Plant Science. 170: 1118-1124. DOI: 10.1016/J.Plantsci.2006.01.017  0.359
2006 Khatib A, Wilson EG, Kim HK, Lefeber AWM, Erkelens C, Choi YH, Verpoorte R. Application of two-dimensional J-resolved nuclear magnetic resonance spectroscopy to differentiation of beer Analytica Chimica Acta. 559: 264-270. DOI: 10.1016/J.Aca.2005.11.064  0.311
2005 Rauter AP, Martins A, Borges C, Ferreira J, Jorge J, Bronze MR, Coelho AV, Choi YH, Verpoorte R. Liquid chromatography-diode array detection-electrospray ionisation mass spectrometry/nuclear magnetic resonance analyses of the anti-hyperglycemic flavonoid extract of Genista tenera. Structure elucidation of a flavonoid-C-glycoside. Journal of Chromatography. A. 1089: 59-64. PMID 16130772 DOI: 10.1016/J.Chroma.2005.06.046  0.325
2005 Mustafa NR, Verpoorte R. Chorismate derived C6C1 compounds in plants. Planta. 222: 1-5. PMID 16049673 DOI: 10.1007/S00425-005-1554-0  0.355
2005 Kirk H, Choi YH, Kim HK, Verpoorte R, van der Meijden E. Comparing metabolomes: the chemical consequences of hybridization in plants. The New Phytologist. 167: 613-22. PMID 15998411 DOI: 10.1111/J.1469-8137.2005.01448.X  0.347
2005 Canto-Canché BB, Meijer AH, Collu G, Verpoorte R, Loyola-Vargas VM. Characterization of a polyclonal antiserum against the monoterpene monooxygenase, geraniol 10-hydroxylase from Catharanthus roseus. Journal of Plant Physiology. 162: 393-402. PMID 15900881 DOI: 10.1016/J.Jplph.2004.06.006  0.305
2005 Zhao J, Davis LC, Verpoorte R. Elicitor signal transduction leading to production of plant secondary metabolites. Biotechnology Advances. 23: 283-333. PMID 15848039 DOI: 10.1016/J.Biotechadv.2005.01.003  0.316
2005 Jacobs DI, Gaspari M, van der Greef J, van der Heijden R, Verpoorte R. Proteome analysis of the medicinal plant Catharanthus roseus. Planta. 221: 690-704. PMID 15682277 DOI: 10.1007/S00425-004-1474-4  0.304
2005 Kim HK, Choi YH, Erkelens C, Lefeber AWM, Verpoorte R. Metabolic fingerprinting of Ephedra species using1H-NMR spectroscopy and principal component analysis Chemical and Pharmaceutical Bulletin. 53: 105-109. PMID 15635242 DOI: 10.1248/Cpb.53.105  0.348
2005 Thongphasuk P, Suttisri R, Bavovada R, Verpoorte R. Antioxidant lignan glucosides from Strychnos vanprukii. Fitoterapia. 75: 623-8. PMID 15567235 DOI: 10.1016/J.Fitote.2004.04.013  0.301
2005 Hazekamp A, Choi YH, Verpoorte R. Quantitative analysis of cannabinoids from Cannabis sativa using 1H-NMR. Chemical & Pharmaceutical Bulletin. 52: 718-21. PMID 15187394 DOI: 10.1248/Cpb.52.718  0.324
2005 Wahyono, Hakim L, Wahyuono S, Mursyidi A, Verpoorte R, Timmerman H. Isolation of Tracheopasmolytic Compounds From Piper cubeba Fruits Indonesian Journal of Pharmacy. 119-123. DOI: 10.14499/Indonesianjpharm0Iss0Pp119-123  0.32
2005 Hazekamp A, Peltenburg A, Verpoorte R, Giroud C. Chromatographic and Spectroscopic Data of Cannabinoids from Cannabis sativa L. Journal of Liquid Chromatography & Related Technologies. 28: 2361-2382. DOI: 10.1080/10826070500187558  0.31
2004 Rhee IK, Appels N, Hofte B, Karabatak B, Erkelens C, Stark LM, Flippin LA, Verpoorte R. Isolation of the acetylcholinesterase inhibitor ungeremine from Nerine bowdenii by preparative HPLC coupled on-line to a flow assay system Biological and Pharmaceutical Bulletin. 27: 1804-1809. PMID 15516727 DOI: 10.1248/Bpb.27.1804  0.331
2004 Kim HK, Choi YH, Luijendijk TJ, Rocha RA, Verpoorte R. Comparison of extraction methods for secologanin and the quantitative analysis of secologanin from Symphoricarpos albus using 1H-NMR. Phytochemical Analysis : Pca. 15: 257-61. PMID 15311846 DOI: 10.1002/Pca.776  0.306
2004 Young HC, Tapias EC, Hye KK, Lefeber AWM, Erkelens C, Verhoeven JTJ, Brzin J, Zel J, Verpoorte R. Metabolic discrimination of catharanthus roseus leaves infected by phytoplasma using 1H-NMR spectroscopy and multivariate data analysis Plant Physiology. 135: 2398-2410. PMID 15286294 DOI: 10.1104/Pp.104.041012  0.3
2004 Frédérich M, Choi YH, Angenot L, Harnischfeger G, Lefeber AW, Verpoorte R. Metabolomic analysis of Strychnos nux-vomica, Strychnos icaja and Strychnos ignatii extracts by 1H nuclear magnetic resonance spectrometry and multivariate analysis techniques. Phytochemistry. 65: 1993-2001. PMID 15280006 DOI: 10.1016/J.Phytochem.2004.06.015  0.322
2004 Lorence A, Verpoorte R. Gene transfer and expression in plants. Methods in Molecular Biology (Clifton, N.J.). 267: 329-50. PMID 15269435 DOI: 10.1385/1-59259-774-2:329  0.304
2004 Choi YH, Kim HK, Hazekamp A, Erkelens C, Lefeber AWM, Verpoorte R. Metabolomic differentiation of Cannabis sativa cultivars using 1H NMR spectroscopy and principal component analysis Journal of Natural Products. 67: 953-957. PMID 15217272 DOI: 10.1021/Np049919C  0.315
2004 Choi HK, Choi YH, Verberne M, Lefeber AWM, Erkelens C, Verpoorte R. Metabolic fingerprinting of wild type and transgenic tobacco plants by 1H NMR and multivariate analysis technique Phytochemistry. 65: 857-864. PMID 15081285 DOI: 10.1016/J.Phytochem.2004.01.019  0.356
2004 van Der Heijden R, Jacobs DI, Snoeijer W, Hallard D, Verpoorte R. The Catharanthus alkaloids: pharmacognosy and biotechnology. Current Medicinal Chemistry. 11: 607-28. PMID 15032608 DOI: 10.2174/0929867043455846  0.385
2004 Frédérich M, Choi YH, Verpoorte R. Quantitative analysis of strychnine and Brucine in Strychnos nux-vomica using 1H-NMR. Planta Medica. 69: 1169-71. PMID 14750040 DOI: 10.1055/S-2003-818014  0.333
2004 Unver N, Kaya GI, Werner C, Verpoorte R, Gözler B. Galanthindole: a new indole alkaloid from Galanthus plicatus ssp. byzantinus. Planta Medica. 69: 869-71. PMID 14598220 DOI: 10.1055/S-2003-43206  0.357
2004 Hazekamp A, Simons R, Peltenburg‐Looman A, Sengers M, van Zweden R, Verpoorte R. Preparative Isolation of Cannabinoids from Cannabis sativa by Centrifugal Partition Chromatography Journal of Liquid Chromatography & Related Technologies. 27: 2421-2439. DOI: 10.1081/Jlc-200028170  0.354
2004 Oltramari A, Wood K, Bonham C, Verpoorte R, Caro M, Viana A, Pedrotti E, Maraschin R, Maraschin M. Safrole Analysis by GC-MS of Prototrophic (Ocotea odorifera (Vell.) Rohwer) Cell Cultures Plant Cell, Tissue and Organ Culture. 78: 231-235. DOI: 10.1023/B:Ticu.0000025657.42171.71  0.309
2004 Raharjo TJ, Chang W, Choi YH, Peltenburg-Looman AM, Verpoorte R. Olivetol as product of a polyketide synthase in Cannabis sativa L Plant Science. 166: 381-385. DOI: 10.1016/J.Plantsci.2003.09.027  0.321
2004 El-Sayed M, Verpoorte R. Growth, metabolic profiling and enzymes activities of Catharanthus roseus seedlings treated with plant growth regulators Plant Growth Regulation. 44: 53-58. DOI: 10.1007/S10725-004-2604-5  0.321
2003 Han YS, Hofte B, van der Heijden R, Verpoorte R. Analysis of anthraquinones in cell cultures of Cinchona 'Robusta' by HPLC with photodiode array and mass spectrometry detection. Phytochemical Analysis : Pca. 14: 298-305. PMID 14516002 DOI: 10.1002/Pca.719  0.352
2003 Rhee IK, Appels N, Luijendijk T, Irth H, Verpoorte R. Determining acetylcholinesterase inhibitory activity in plant extracts using a fluorimetric flow assay. Phytochemical Analysis : Pca. 14: 145-9. PMID 12793460 DOI: 10.1002/Pca.695  0.319
2003 Rhee IK, van Rijn RM, Verpoorte R. Qualitative determination of false-positive effects in the acetylcholinesterase assay using thin layer chromatography. Phytochemical Analysis : Pca. 14: 127-31. PMID 12793457 DOI: 10.1002/Pca.675  0.619
2003 El-Hassan A, El-Sayed M, Hamed AI, Rhee IK, Ahmed AA, Zeller KP, Verpoorte R. Bioactive constituents of Leptadenia arborea. Fitoterapia. 74: 184-7. PMID 12628421 DOI: 10.1016/S0367-326X(02)00314-3  0.322
2003 Choi YH, Choi HK, Hazekamp A, Bermejo P, Schilder Y, Erkelens C, Verpoorte R. Quantitative analysis of bilobalide and ginkgolides from Ginkgo biloba leaves and Ginkgo products using 1H-NMR Chemical and Pharmaceutical Bulletin. 51: 158-161. PMID 12576648 DOI: 10.1248/Cpb.51.158  0.305
2003 Arrebola ML, Verpoorte R. Micropropagation ofIsoplexis isabelliana(Webb & Berth.) Masf., a Threatened Medicinal Plant Journal of Herbs, Spices & Medicinal Plants. 10: 89-94. DOI: 10.1300/J044V10N02_10  0.359
2003 Rianika Mustafa N, Kyung Rhee I, Verpoorte R. Rapid Method for Determination of Galanthamine in Amaryllidaceae Plants Using HPLC Journal of Liquid Chromatography & Related Technologies. 26: 3217-3233. DOI: 10.1081/Jlc-120025519  0.309
2003 Halim VA, Verberne MC, Verpoorte R. Differential Metabolic Profiling by HPLC–PDA–MS of Wild Type and Transgenic Tobacco Plants Constitutively Producing Salicylic Acid Journal of Liquid Chromatography & Related Technologies. 26: 369-383. DOI: 10.1081/Jlc-120017176  0.383
2003 Muljono RAB, Scheffer JJ, Verpoorte R. Effect of Feeding Salicylic Acid on 2,3-Dihydroxybenzoic Acid Formation in Cultured Cells of Catharanthus roseus Pharmaceutical Biology. 41: 284-290. DOI: 10.1076/Phbi.41.4.284.15681  0.313
2003 Trevisan MTS, Scheffer JJ, Verpoorte R. Peroxidase activity in hop plants after infestation by red spider mites Crop Protection. 22: 423-424. DOI: 10.1016/S0261-2194(02)00151-5  0.331
2003 Han Y, Roytrakul S, Verberne MC, van der Heijden R, Linthorst HJ, Verpoorte R. Cloning of a cDNA encoding 1-deoxy-d-xylulose 5-phosphate synthase from Morinda citrifolia and analysis of its expression in relation to anthraquinone accumulation Plant Science. 164: 911-917. DOI: 10.1016/S0168-9452(02)00362-X  0.313
2002 Alam G, Wahyuono S, Ganjar IG, Hakim L, Timmerman H, Verpoorte R. Tracheospasmolytic activity of viteosin-A and vitexicarpin isolated from vitex trifolia. Planta Medica. 68: 1047-9. PMID 12451502 DOI: 10.1055/S-2002-35650  0.322
2002 Maraschin M, Sugui JA, Wood KV, Bonham C, Buchi DF, Cantao MP, Carobrez SG, Araujo PS, Peixoto ML, Verpoorte R, Fontana JD. Somaclonal variation: a morphogenetic and biochemical analysis of Mandevilla velutina cultured cells Brazilian Journal of Medical and Biological Research. 35: 633-643. PMID 12045827 DOI: 10.1590/S0100-879X2002000600002  0.327
2002 Verpoorte R, Memelink J. Engineering secondary metabolite production in plants. Current Opinion in Biotechnology. 13: 181-187. PMID 11950573 DOI: 10.1016/S0958-1669(02)00308-7  0.304
2002 Verberne MC, Brouwer N, Delbianco F, Linthorst HJ, Bol JF, Verpoorte R. Method for the extraction of the volatile compound salicylic acid from tobacco leaf material. Phytochemical Analysis : Pca. 13: 45-50. PMID 11899606 DOI: 10.1002/Pca.615  0.357
2002 Geerlings A, Redondo FJ, Contin A, Memelink J, van der Heijden R, Verpoorte R. Biotransformation of tryptamine and secologanin into plant terpenoid indole alkaloids by transgenic yeast. Applied Microbiology and Biotechnology. 56: 420-4. PMID 11549013 DOI: 10.1007/S002530100663  0.362
2002 Verpoorte R, Contin A, Memelink J. Biotechnology for the production of plant secondary metabolites Phytochemistry Reviews. 1: 13-25. DOI: 10.1023/A:1015871916833  0.365
2002 Han Y, van der Heijden R, Verpoorte R. Biotechnology Letters. 24: 705-710. DOI: 10.1023/A:1015286117297  0.304
2002 Yuana, Dignum MJW, Verpoorte R. Glucosylation of exogenous vanillin by plant cell cultures Plant Cell Tissue and Organ Culture. 69: 177-182. DOI: 10.1023/A:1015224425075  0.319
2002 Lucumi E, Vera A, Hallard D, Heijden Rvd, Verpoorte R. Alkaloid formation in cell suspension cultures of Tabernaemontana elegans after feeding of tryptamine and loganin or secologanin Plant Cell Tissue and Organ Culture. 68: 293-299. DOI: 10.1023/A:1013993403959  0.333
2002 El-Sayed M, Verpoorte R. Effect of phytohormones on growth and alkaloid accumulation by a Catharanthus roseus cell suspension cultures fed with alkaloid precursors tryptamine and loganin Plant Cell Tissue and Organ Culture. 68: 265-270. DOI: 10.1023/A:1013968826635  0.316
2002 Nugroho LH, Verpoorte R. Plant Cell, Tissue and Organ Culture. 68: 105-125. DOI: 10.1023/A:1013853909494  0.373
2002 Nugroho LH, Verberne MC, Verpoorte R. Activities of enzymes involved in the phenylpropanoid pathway in constitutively salicylic acid-producing tobacco plants Plant Physiology and Biochemistry. 40: 755-760. DOI: 10.1016/S0981-9428(02)01437-7  0.333
2002 Silvestrini A, Pasqua G, Botta B, Monacelli B, Van der Heijden R, Verpoorte R. Effects of alkaloid precursor feeding on a Camptotheca acuminata cell line Plant Physiology and Biochemistry. 40: 749-753. DOI: 10.1016/S0981-9428(02)01436-5  0.302
2002 Łuczkiewicz M, Zárate R, Dembińska-Migas W, Migas P, Verpoorte R. Production of pulchelin E in hairy roots, callus and suspension cultures of Rudbeckia hirta L. Plant Science. 163: 91-100. DOI: 10.1016/S0168-9452(02)00065-1  0.323
2002 Collu G, Alonso Garcia A, van der Heijden R, Verpoorte R. Activity of the cytochrome P450 enzyme geraniol 10-hydroxylase and alkaloid production in plant cell cultures Plant Science. 162: 165-172. DOI: 10.1016/S0168-9452(01)00554-4  0.349
2001 Jacobs DI, Rijssen MSv, Heijden Rvd, Verpoorte R. Sequential solubilization of proteins precipitated with trichloroacetic acid in acetone from cultured Catharanthus roseus cells yields 52% more spots after two-dimensional electrophoresis. Proteomics. 1: 1345-1350. PMID 11922593 DOI: 10.1002/1615-9861(200111)1:11<1345::Aid-Prot1345>3.0.Co;2-F  0.308
2001 Memelink J, Kijne JW, Heijden Rvd, Verpoorte R. Genetic Modification of Plant Secondary Metabolite Pathways Using Transcriptional Regulators Advances in Biochemical Engineering \/ Biotechnology. 72: 103-125. PMID 11729751 DOI: 10.1007/3-540-45302-4_4  0.315
2001 Collu G, Unver N, Peltenburg-Looman AM, van der Heijden R, Verpoorte R, Memelink J. Geraniol 10-hydroxylase, a cytochrome P450 enzyme involved in terpenoid indole alkaloid biosynthesis. Febs Letters. 508: 215-20. PMID 11718718 DOI: 10.1016/S0014-5793(01)03045-9  0.328
2001 Hazekamp A, Verpoorte R, Panthong A. Isolation of a bronchodilator flavonoid from the Thai medicinal plant Clerodendrum petasites Journal of Ethnopharmacology. 78: 45-49. PMID 11585687 DOI: 10.1016/S0378-8741(01)00320-8  0.318
2001 Muljono RA, Darsono FL, Scheffer JJ, Verpoorte R. Assay of 2,3-dihydroxybenzoic acid and related compounds in plant materials by high-performance liquid chromatography. Journal of Chromatography. A. 927: 39-45. PMID 11572396 DOI: 10.1016/S0021-9673(01)01098-6  0.325
2001 Memelink J, Verpoorte R, Kijne JW. ORCAnization of jasmonate-responsive gene expression in alkaloid metabolism. Trends in Plant Science. 6: 212-219. PMID 11335174 DOI: 10.1016/S1360-1385(01)01924-0  0.331
2001 Zárate R, Dirks C, van der Heijden R, Verpoorte R. Terpenoid indole alkaloid profile changes in Catharanthus pusillus during development. Plant Science : An International Journal of Experimental Plant Biology. 160: 971-977. PMID 11297794 DOI: 10.1016/S0168-9452(01)00340-5  0.349
2001 Theodoridis G, Laskaris G, van Rozendaal ELM, Verpoorte R. ANALYSIS OF TAXINES IN TAXUS PLANT MATERIAL AND CELL CULTURES BY HPLC PHOTODIODE ARRAY AND HPLC-ELECTROSPRAY MASS SPECTROMETRY Journal of Liquid Chromatography & Related Technologies. 24: 2267-2282. DOI: 10.1081/Jlc-100105139  0.354
2001 Dignum MJ, Kerler J, Verpoorte R. VANILLA PRODUCTION: TECHNOLOGICAL, CHEMICAL, AND BIOSYNTHETIC ASPECTS Food Reviews International. 17: 119-120. DOI: 10.1081/Fri-100000269  0.36
2001 Han Y, Van der Heijden R, Verpoorte R. Plant Cell, Tissue and Organ Culture. 67: 201-220. DOI: 10.1023/A:1012758922713  0.322
2001 Lucumi E, Luczkiewicz M, Vera A, Hallard D, Heijden Rvd, Verpoorte R. Alkaloid formation in cell suspension cultures of Tabernaemontana divaricata after feeding of tryptamine and loganin Biotechnology Letters. 23: 1691-1696. DOI: 10.1023/A:1012452313625  0.312
2001 Nugroho LH, Verberne MC, Verpoorte R. Salicylic acid produced by isochorismate synthase and isochorismate pyruvate lyase in various parts of constitutive salicylic acid producing tobacco plants Plant Science. 161: 911-915. DOI: 10.1016/S0168-9452(01)00486-1  0.371
2000 Verpoorte R, Heijden Rvd, Memelink J. Engineering the plant cell factory for secondary metabolite production. Transgenic Research. 9: 323-343. PMID 11131010 DOI: 10.1023/A:1008966404981  0.363
2000 Verberne MC, Verpoorte R, Bol JF, Mercado-Blanco J, Linthorst HJM. Overproduction of salicylic acid in plants by bacterial transgenes enhances pathogen resistance Nature Biotechnology. 18: 779-783. PMID 10888849 DOI: 10.1038/77347  0.332
2000 Ingkaninan K, Hazekamp A, de Best CM, Irth H, Tjaden UR, van der Heijden R, van der Greef J, Verpoorte R. The application of HPLC with on-line coupled UV/MS-biochemical detection for isolation of an acetylcholinesterase inhibitor from narcissus 'Sir Winston Churchill'. Journal of Natural Products. 63: 803-6. PMID 10869205 DOI: 10.1021/Np9905719  0.302
2000 Ingkaninan K, IJzerman AP, Verpoorte R. Luteolin, a compound with adenosine A(1) receptor-binding activity, and chromone and dihydronaphthalenone constituents from Senna siamea. Journal of Natural Products. 63: 315-7. PMID 10757709 DOI: 10.1021/Np9904152  0.306
2000 Ingkaninan K, Ijzerman AP, Taesotikult T, Verpoorte R. Isolation of opioid-active compounds from Tabernaemontana pachysiphon leaves. The Journal of Pharmacy and Pharmacology. 51: 1441-6. PMID 10678501 DOI: 10.1211/0022357991777092  0.316
2000 Geerlings A, Ibañez MML, Memelink J, Heijden Rvd, Verpoorte R. Molecular Cloning and Analysis of Strictosidine β-d-Glucosidase, an Enzyme in Terpenoid Indole Alkaloid Biosynthesis in Catharanthus roseus Journal of Biological Chemistry. 275: 3051-3056. PMID 10652285 DOI: 10.1074/Jbc.275.5.3051  0.333
2000 Ingkaninan K, Hazekamp A, Hoek AC, Balconi S, Verpoorte R. APPLICATION OF CENTRIFUGAL PARTITION CHROMATOGRAPHY IN A GENERAL SEPARATION AND DEREPLICATION PROCEDURE FOR PLANT EXTRACTS Journal of Liquid Chromatography & Related Technologies. 23: 2195-2208. DOI: 10.1081/Jlc-100100481  0.336
2000 Schulte AE, Llamas Durán EM, Van Der Heijden R, Verpoorte R. Mevalonate kinase activity in Catharanthus roseus plants and suspension cultured cells Plant Science. 150: 59-69. DOI: 10.1016/S0168-9452(99)00164-8  0.342
1999 van Tegelen LJ, Moreno PR, Croes AF, Verpoorte R, Wullems GJ. Purification and cDNA cloning of isochorismate synthase from elicited cell cultures of Catharanthus roseus. Plant Physiology. 119: 705-12. PMID 9952467 DOI: 10.1104/Pp.119.2.705  0.319
1999 Ingkaninan K, Hermans-Lokkerbol AC, Verpoorte R. COMPARISON OF SOME CENTRIFUGAL PARTITION CHROMATOGRAPHY SYSTEMS FOR A GENERAL SEPARATION OF PLANT EXTRACTS Journal of Liquid Chromatography & Related Technologies. 22: 885-896. DOI: 10.1081/Jlc-100101705  0.316
1999 Contin A, van der Heijden R, Verpoorte R. Localization of secologanin inCatharanthus roseuscells Acta Botanica Gallica. 146: 105-110. DOI: 10.1080/12538078.1999.10515806  0.304
1999 Verpoorte R, Heijden Rvd, Hoopen HJGt, Memelink J. Metabolic engineering of plant secondary metabolite pathways for the production of fine chemicals Biotechnology Letters. 21: 467-479. DOI: 10.1023/A:1005502632053  0.381
1999 Contin A, van der Heijden R, Verpoorte R. Accumulation of loganin and secologanin in vacuoles from suspension cultured Catharanthus roseus cells Plant Science. 147: 177-183. DOI: 10.1016/S0168-9452(99)00115-6  0.31
1999 Laskaris G, Bounkhay M, Theodoridis G, van der Heijden R, Verpoorte R, Jaziri M. Induction of geranylgeranyl diphosphate synthase activity and taxane accumulation in Taxus baccata cell cultures after elicitation by methyl jasmonate Plant Science. 147: 1-8. DOI: 10.1016/S0168-9452(99)00078-3  0.306
1999 Verberne MC, Muljono RAB, Verpoorte R. Chapter 13 – Salicylic acid biosynthesis New Comprehensive Biochemistry. 33: 295-312. DOI: 10.1016/S0167-7306(08)60493-7  0.357
1999 Arrebola M, Ringbom T, Verpoorte R. Anthraquinones from Isoplexis isabelliana cell suspension cultures Phytochemistry. 52: 1283-1286. DOI: 10.1016/S0031-9422(99)00450-1  0.361
1999 Schripsema J, Ramos-Valdivia A, Verpoorte R. Robustaquinones, novel anthraquinones from an elicited Cinchona robusta suspension culture Phytochemistry. 51: 55-60. DOI: 10.1016/S0031-9422(98)00470-1  0.3
1999 Kraemer KH, Schenkel EP, Verpoorte R. Glucosylation of ethanol in Ilex paraguariensis cell suspension cultures Plant Cell Reports. 18: 509-513. DOI: 10.1007/S002990050613  0.322
1999 Collu G, Bink HHJ, Moreno PRH, Heijden Rvd, Verpoorte R. Determination of the activity of the cytochrome p450 enzyme geraniol 10-hydroxylase in plants by high-performance liquid chromatography Phytochemical Analysis. 10: 314-318. DOI: 10.1002/(Sici)1099-1565(199911/12)10:6<314::Aid-Pca475>3.0.Co;2-Z  0.31
1998 Leech MJ, May K, Hallard D, Verpoorte R, De Luca V, Christou P. Expression of two consecutive genes of a secondary metabolic pathway in transgenic tobacco: molecular diversity influences levels of expression and product accumulation. Plant Molecular Biology. 38: 765-74. PMID 9862494 DOI: 10.1023/A:1006000229229  0.325
1998 Contin A, van der Heijden R, Lefeber AW, Verpoorte R. The iridoid glucoside secologanin is derived from the novel triose phosphate/pyruvate pathway in a Catharanthus roseus cell culture. Febs Letters. 434: 413-6. PMID 9742965 DOI: 10.1016/S0014-5793(98)01022-9  0.337
1998 Canel C, Lopes-Cardoso MI, Whitmer S, van der Fits L, Pasquali G, van der Heijden R, Hoge JH, Verpoorte R. Effects of over-expression of strictosidine synthase and tryptophan decarboxylase on alkaloid production by cell cultures of Catharanthus roseus. Planta. 205: 414-9. PMID 9640666 DOI: 10.1007/S004250050338  0.336
1998 Whitmer S, Canel C, Hallard D, Gonçalves C, Verpoorte R. Influence of Precursor Availability on Alkaloid Accumulation by Transgenic Cell Line of Catharanthus roseus Plant Physiology. 116: 853-857. PMID 9490777 DOI: 10.1104/Pp.116.2.853  0.311
1998 Rech SB, Batista CVF, Schripsema J, Verpoorte R, Henriques AT. Cell cultures of Rauwolfia sellowii: Growth and alkaloid production Plant Cell, Tissue and Organ Culture. 54: 61-63. DOI: 10.1023/A:1006118220785  0.326
1998 Whitmer S, Verpoorte R, Canel C. Plant Cell, Tissue and Organ Culture. 53: 135-141. DOI: 10.1023/A:1006019620897  0.336
1998 Verpoorte R. Exploration of nature's chemodiversity: the role of secondary metabolites as leads in drug development Drug Discovery Today. 3: 232-238. DOI: 10.1016/S1359-6446(97)01167-7  0.321
1998 Verpoorte R, Heijden Rvd, Memelink J. Chapter 12 Plant Biotechnology and the Production of Alkaloids: Prospects of Metabolic Engineering The Alkaloids: Chemistry and Biology. 50: 453-508. DOI: 10.1016/S1099-4831(08)60050-4  0.36
1998 Luijendijk TJ, Stevens LH, Verpoorte R. Purification and characterisation of strictosidine β-d-glucosidase from Catharanthus roseus cell suspension cultures Plant Physiology and Biochemistry. 36: 419-425. DOI: 10.1016/S0981-9428(98)80205-2  0.302
1998 van der Heijden R, Schulte AE, Ramos Valdivia AC, Verpoorte R. Characterization of some isoprenoid-biosynthetic enzymes from plant cell cultures Studies in Organic Chemistry. 53: 177-184. DOI: 10.1016/S0165-3253(98)80022-9  0.393
1998 Zuurbier KW, Fung S, Scheffer JJ, Verpoorte R. In-vitro prenylation of aromatic intermediates in the biosynthesis of bitter acids in humulus lupulus Phytochemistry. 49: 2315-2322. DOI: 10.1016/S0031-9422(98)00179-4  0.317
1998 Ramos-Valdivia AC, van der Heijden R, Verpoorte R. Isopentenyl diphosphate isomerase and prenyltransferase activities in rubiaceous and apocynaceous cultures Phytochemistry. 48: 961-969. DOI: 10.1016/S0031-9422(98)00145-9  0.341
1998 Carrier DJ, Van Beek TA, Van Der Heijden R, Verpoorte R. Distribution of ginkgolides and terpenoid biosynthetic activity in Ginkgo biloba Phytochemistry. 48: 89-92. DOI: 10.1016/S0031-9422(97)00450-0  0.38
1998 Theodoridis G, Laskaris G, de Jong C, Hofte A, Verpoorte R. Determination of paclitaxel and related diterpenoids in plant extracts by high-performance liquid chromatography with UV detection in high-performance liquid chromatography–mass spectrometry Journal of Chromatography A. 802: 297-305. DOI: 10.1016/S0021-9673(97)01174-6  0.359
1998 Theodorídis G, de Jong CF, Laskaris G, Verpoorte R. Application of SPE for the HPLC analysis of taxanes fromTaxus cell cultures Chromatographia. 47: 25-34. DOI: 10.1007/Bf02466782  0.306
1998 Hallard D, Heijden Rvd, Contin A, Jiménéz EMT, Snoeijer W, Verpoorte R, Jensen SR, Cardoso MIL, Pasquali G, Memelink J, Hoge JHC. An assay for secologanin in plant tissues based on enzymatic conversion into strictosidine Phytochemical Analysis. 9: 162-167. DOI: 10.1002/(Sici)1099-1565(199807/08)9:4<162::Aid-Pca394>3.0.Co;2-D  0.376
1998 Budi Muljono RA, Looman AMG, Verpoorte R, Scheffer JJC. Assay of salicylic acid and related compounds in plant cell cultures by capillary GC Phytochemical Analysis. 9: 35-38. DOI: 10.1002/(Sici)1099-1565(199801/02)9:1<35::Aid-Pca379>3.0.Co;2-D  0.376
1997 Trevisan MTS, Valdivia ACR, Scheffer JJC, Verpoorte R. Enzyme activities in cell suspension cultures of two hop cultivars after elicitation by a fungal culture filtrate Biotechnology Letters. 19: 207-211. DOI: 10.1023/A:1018389120271  0.318
1997 Arrebola ML, Socorro O, Verpoorte R. Plant Cell, Tissue and Organ Culture. 49: 117-119. DOI: 10.1023/A:1005854131096  0.329
1997 Trevisan MTS, Scheffer JJC, Verpoorte R. Effect of elicitation on the peroxidase activity in some cell suspension cultures of hop, t Humulus lupulus Plant Cell Tissue and Organ Culture. 48: 121-126. DOI: 10.1023/A:1005824927070  0.335
1997 Schlatmann J, Moreno P, Vinke J, ten Hoopen H, Verpoorte R, Heijnen J. Gaseous metabolites and the ajmalicine production rate in high density cell cultures of Catharanthus roseus Enzyme and Microbial Technology. 20: 107-115. DOI: 10.1016/S0141-0229(96)00131-7  0.312
1996 Luijendijk TJ, van der Meijden E, Verpoorte R. Involvement of strictosidine as a defensive chemical inCatharanthus roseus. Journal of Chemical Ecology. 22: 1355-66. PMID 24226242 DOI: 10.1007/Bf02027718  0.352
1996 Dagnino D, Schripsema J, Verpoorte R. Analysis of several iridoid and indole precursors of terpenoid indole alkaloids with a single HPLC run. Planta Medica. 62: 278-280. PMID 17252445 DOI: 10.1055/S-2006-957879  0.327
1996 Hermans-Lokkerbol A, van der Heijden R, Verpoorte R. Isocratic high-performance liquid chromatography of coenzyme A esters involved in the metabolism of 3S-hydroxy-3-methylglutaryl-coenzyme A detection of related enzyme activities in Catharanthus roseus plant cell cultures Journal of Chromatography A. 752: 123-130. DOI: 10.1016/S0021-9673(96)00526-2  0.355
1996 Moreno PR, Poulsen C, van der Heijden R, Verpoorte R. Effects of elicitation on different metabolic pathways in Catharanthus roseus (L.)G.Don cell suspension cultures Enzyme and Microbial Technology. 18: 99-107. DOI: 10.1016/0141-0229(95)00078-X  0.347
1996 Carrier DJ, Archambault J, van der Heijden R, Verpoorte R. Formation of terpenoid products in Ginkgo biloba L. cultivated cells Plant Cell Reports. 15: 888-891. DOI: 10.1007/Bf00231581  0.316
1996 Theodoridis G, Verpoorte R. Taxol Analysis by High Performance Liquid Chromatography: A Review Phytochemical Analysis. 7: 169-184. DOI: 10.1002/(Sici)1099-1565(199607)7:4<169::Aid-Pca305>3.0.Co;2-B  0.312
1995 Goddijn OJ, Pennings EJ, van der Helm P, Schilperoort RA, Verpoorte R, Hoge JH. Overexpression of a tryptophan decarboxylase cDNA in Catharanthus roseus crown gall calluses results in increased tryptamine levels but not in increased terpenoid indole alkaloid production. Transgenic Research. 4: 315-23. PMID 8589734 DOI: 10.1007/Bf01972528  0.308
1995 de Waal A, Meijer AH, Verpoorte R. Strictosidine synthase from Catharanthus roseus: purification and characterization of multiple forms. The Biochemical Journal. 571-80. PMID 7887913 DOI: 10.1042/Bj3060571  0.353
1995 Schripsema J, Verpoorte R. Novel Techniques for Growth Characterization and Phytochemical Analysis of Plant Cell Suspension Cultures Journal of Natural Products. 58: 1305-1314. DOI: 10.1021/Np50123A001  0.343
1995 Zuurbier KW, Fung S, Scheffer JJ, Verpoorte R. Formation of aromatic intermediates in the biosynthesis of bitter acids in Humulus lupulus Phytochemistry. 38: 77-82. DOI: 10.1016/0031-9422(94)00614-Y  0.333
1994 Verpoorte R, R. H. Moreno P, van der Heijden R. Induction of the Secondary Metabolism in Catharanthus roseus Cell Suspension Cultures in Response to UV Irradiation and the Addition of a Benzoic Acid Derivative Heterocycles. 39: 457. DOI: 10.3987/Com-94-S(B)64  0.305
1994 Verpoorte R, Heijden Rvd, Hoge JHC, Hoopen HJGt. Plant cell biotechnology for the production of secondary metabolites Pure and Applied Chemistry. 66: 2307-2310. DOI: 10.1351/Pac199466102307  0.328
1994 Fung S, Brussee J, van der Hoeven RAM, Niessen WMA, Scheffer JJC, Verpoorte R. Analysis of Proposed Aromatic Precursors of Hop Bitter Acids Journal of Natural Products. 57: 452-459. DOI: 10.1021/Np50106A003  0.322
1994 Dagnino D, Schripsema J, Verpoorte R. Terpenoid indole alkaloid biotransformation capacity of suspension cultures of Tabernaemontana divaricata Phytochemistry. 35: 671-676. DOI: 10.1016/S0031-9422(00)90584-3  0.326
1994 Poulsen C, Goddijn OJM, Hoge JHC, Verpoorte R. Anthranilate synthase and chorismate mutase activities in transgenic tobacco plants overexpressing tryptophan decarboxylase fromCatharanthus roseus Transgenic Research. 3: 43-49. DOI: 10.1007/Bf01976026  0.344
1993 Schlatmann JE, Nuutila AM, Gulik WMV, Hoopen HJGt, Verpoorte R, Heijnen JJ. Scaleup of ajmalicine production by plant cell cultures of Catharanthus roseus Biotechnology and Bioengineering. 41: 253-262. PMID 18609545 DOI: 10.1002/Bit.260410212  0.3
1993 Hermans-Lokkerbol ACJ, Van Der Heijden R, Verpoorte R. Solvent System Selection For Separation of Anthraquinones by Means of Centrifugal Partition Ochromatography; Application to an Extract of aRubia TinctorumHairy Root Culture Journal of Liquid Chromatography. 16: 1433-1451. DOI: 10.1080/10826079308020963  0.322
1993 Verpoorte R, van der Heijden R, Schripsema J, Hoge JHC, Ten Hoopen HJG. Plant Cell Biotechnology for the Production of Alkaloids: Present Status and Prospects Journal of Natural Products. 56: 186-207. DOI: 10.1021/Np50092A003  0.41
1993 Dagnino D, Schripsema J, Verpoorte R. Alkaloid metabolism in Tabernaemontana divaricata cell suspension cultures Phytochemistry. 32: 325-329. DOI: 10.1016/S0031-9422(00)94989-6  0.315
1993 van Dam NM, van der Meijden E, Verpoorte R. Induced responses in three alkaloid-containing plant species Oecologia. 95: 425-430. DOI: 10.1007/Bf00320998  0.334
1992 Aerts RJ, Stoker A, Beishuizen M, Jaarsma I, Van De Heuvel M, Van Der Meijden E, Verpoorte R. Detrimental effects ofCinchona leaf alkaloids on larvae of the polyphagous insectSpodoptera exigua. Journal of Chemical Ecology. 18: 1955-64. PMID 24254775 DOI: 10.1007/Bf00981919  0.363
1992 Pasquali G, Goddijn OJ, de Waal A, Verpoorte R, Schilperoort RA, Hoge JH, Memelink J. Coordinated regulation of two indole alkaloid biosynthetic genes from Catharanthus roseus by auxin and elicitors. Plant Molecular Biology. 18: 1121-31. PMID 1600148 DOI: 10.1007/Bf00047715  0.319
1992 Schripsema J, Verpoorte R. Regulation of Indole Alkaloid Biosynthesis inCatharanthus roseusCell Suspension Cultures, Investigated with1H-NMR Planta Medica. 58: 608-608. DOI: 10.1055/S-2006-961605  0.33
1992 Liu J, Davidson RS, Heijden RVD, Verpoorte R, Howarth OW. Isolation of 4-Hydroxy-5-methoxycanthin-6-one fromPicrasma quassioides and Revision of a Previously Reported Structure Liebigs Annalen Der Chemie. 1992: 987-988. DOI: 10.1002/Jlac.1992199201162  0.305
1991 Aerts RJ, Waal AD, Pennings EJM, Verpoorte R. The distribution of strictosidine-synthase activity and alkaloids in Cinchona plants. Planta. 183: 536-541. PMID 24193847 DOI: 10.1007/Bf00194275  0.374
1991 Sierra MI, Heijden Rvd, Schripsema J, Verpoorte R. Alkaloid Production in Relation to Differentiation in Cell and Tissue Cultures of Tabernaemontana pandacaqui Planta Medica. 57: 543-547. PMID 17226201 DOI: 10.1055/S-2006-960202  0.35
1991 Giroud C, Leer Tvd, Heijden Rvd, Verpoorte R, Heeremans CEM, Niessen WMA, Greef Jv. Thermospray Liquid Chromatography/Mass Spectrometry (TSP LC/MS) Analysis of the Alkaloids from Cinchona in vitro Cultures. Planta Medica. 57: 142-148. PMID 17226138 DOI: 10.1055/S-2006-960051  0.334
1991 Aerts RJ, Snoeijer W, van der Meijden E, Verpoorte R. Allelopathic inhibition of seed germination by Cinchona alkaloids? Phytochemistry. 30: 2947-2951. DOI: 10.1016/S0031-9422(00)98229-3  0.327
1991 Poulsen C, van der Heijden R, Verpoorte R. Assay of isochorismate synthase from plant cell cultures by high-performance liquid chromatography Phytochemistry. 30: 2873-2876. DOI: 10.1016/S0031-9422(00)98216-5  0.328
1991 Poulsen C, Pennings E, Verpoorte R. High-performance liquid chromatographic assay of anthranilate synthase from plant cell cultures Journal of Chromatography A. 547: 155-160. DOI: 10.1016/S0021-9673(01)88638-6  0.357
1991 Poulsen C, Verpoorte R. Roles of chorismate mutase, isochorismate synthase and anthranilate synthase in plants Phytochemistry. 30: 377-386. DOI: 10.1016/0031-9422(91)83688-H  0.311
1991 Schripsema J, Peltenburg-Looman A, Erkelens C, Verpoorte R. Nitrogen metabolism in cultures of Tabernaemontana divaricata Phytochemistry. 30: 3951-3954. DOI: 10.1016/0031-9422(91)83443-O  0.32
1991 Aerts RJ, Snoeijer W, Aerts-Teerlink O, van der Meijden E, Verpoorte R. Control and biological implications of alkaloid synthesis in Cinchona seedlings Phytochemistry. 30: 3571-3577. DOI: 10.1016/0031-9422(91)80068-C  0.339
1991 Schripsema J, Erkelens C, Verpoorte R. Intra- and extracellular carbohydrates in plant cell cultures investigated by 1H-NMR Plant Cell Reports. 9: 527-530. DOI: 10.1007/Bf00232112  0.371
1991 Schripsema J, Verpoorte R. Investigation of extracts of plant cell cultures by proton nuclear magnetic resonance spectroscopy Phytochemical Analysis. 2: 155-162. DOI: 10.1002/Pca.2800020403  0.391
1990 Aerts RJ, Van Der Leer T, Van Der Heijden R, Verpoorte R. Developmental Regulation of Alkaloid Production in Cinchona Seedlings Journal of Plant Physiology. 136: 86-91. DOI: 10.1016/S0176-1617(11)81620-2  0.309
1989 Heijden RVD, Louwe CL, Verhey ER, Harkes PAA, Verpoorte R. Characterization of a Suspension Culture of Tabernaemontana elegans on Growth, Nutrient Uptake, and Accumulation of Indole Alkaloids*. Planta Medica. 55: 158-162. PMID 17262332 DOI: 10.1055/S-2006-961912  0.34
1989 Pennings EJ, van den Bosch RA, van der Heijden R, Stevens LH, Duine JA, Verpoorte R. Assay of strictosidine synthase from plant cell cultures by high-performance liquid chromatography. Analytical Biochemistry. 176: 412-5. PMID 2742131 DOI: 10.1016/0003-2697(89)90333-3  0.355
1989 Verpoorte R. Some phytochemical aspects of medicinal plant research Journal of Ethnopharmacology. 25: 43-59. PMID 2654490 DOI: 10.1016/0378-8741(89)90044-5  0.369
1989 Stevens L, Schripsema J, Pennings E, de Waal A, Verpoorte R. Enzyme Activities Involved in Indole Alkaloid Biosynthesis in Suspension Cultures ofCatharanthus, Cinchona, andTabernaemontanaSpecies Planta Medica. 55: 666-666. DOI: 10.1055/S-2006-962263  0.305
1989 van der Heijden R, Threlfall DR, Verpoorte R, Whitehead IM. Regulation and enzymology of pentacyclic triterpenoid phytoalexin biosynthesis in cell suspension cultures of Tabernaemontana divaricata Phytochemistry. 28: 2981-2988. DOI: 10.1016/0031-9422(89)80264-X  0.329
1989 Van Der Heijden R, Verpoorte R, Ten Hoopen HJG. Cell and tissue cultures ofCatharanthus roseus (L.) G. Don: a literature survey Plant Cell, Tissue and Organ Culture. 18: 231-280. DOI: 10.1007/Bf00043397  0.307
1988 Fung SY, Herrebout WM, Verpoorte R, Fischer FC. Butenolides in small ermine moths, Yponomeuta spp. (Lepidoptera: Yponomeutidae), and spindle-tree, Euonymus europaeus (Celastraceae) Journal of Chemical Ecology. 14: 1099-1111. PMID 24276196 DOI: 10.1007/Bf01019338  0.354
1988 van der Heijden R, Verheij ER, Schripsema J, Svendsen AB, Verpoorte R, Harkes PA. Induction of triterpene biosynthesis by elicitors in suspension cultures of Tabernaemontana species. Plant Cell Reports. 7: 51-4. PMID 24241415 DOI: 10.1007/Bf00272977  0.595
1988 Heijden Rvd, Hermans-Lokkerbol A, Kool LPJd, Lamping PJ, Harkes PAA, Verpoorte R. Accumulation of indole alkaloids in a suspension culture of Tabernaemontana divaricata. Planta Medica. 54: 393-397. PMID 17265301 DOI: 10.1055/S-2006-962479  0.328
1988 Pennings EJ, Hegger I, van der Heijden R, Duine JA, Verpoorte R. Assay of tryptophan decarboxylase from Catharanthus roseus plant cell cultures by high-performance liquid chromatography. Analytical Biochemistry. 165: 133-6. PMID 3688427 DOI: 10.1016/0003-2697(87)90210-7  0.34
1988 Grand Al, Wondergem PA, Verpoorte R, Pousset JL. Anti-infectious phytotherapies of the tree-savannah of senegal (West-Africa) II. Antimicrobial activity of 33 species Journal of Ethnopharmacology. 22: 25-31. PMID 3352282 DOI: 10.1016/0378-8741(88)90227-9  0.349
1988 Heijden R, Heijmeijer GWJ, Verpoorte R, Wijnsma R, Harkes PAA, Baerheim Svendsen A. A rapid method for determination of growth supporting and toxic hormone levels in plant cell culture Journal of Tissue Culture Methods. 11: 27-30. DOI: 10.1007/Bf01404411  0.321
1988 Mulder-Krieger T, Verpoorte R, Svendsen AB, Scheffer JJC. Production of essential oils and flavours in plant cell and tissue cultures. A review Plant Cell, Tissue and Organ Culture. 13: 85-154. DOI: 10.1007/Bf00034451  0.596
1987 Wijnsma R, van Vliet TB, Harkes PA, van Groningen HJ, van der Heijden R, Verpoorte R, Svendsen AB. A method for the quantitative determination of anthraquinones and alkaloids in cell and tissue cultures of cinchona sp. Planta Medica. 53: 80-4. PMID 17268970 DOI: 10.1055/S-2006-962627  0.592
1987 Schripsema J, Erkelens C, Verpoorte R, Svendsen AB. Natural abundance nitrogen-15 nmr: A study about the conformation and protonation site of some quinoline alkaloids Spectroscopy Letters. 20: 777-783. DOI: 10.1080/00387018708081586  0.548
1987 van der Heijden R, Lamping P, Out P, Wijnsma R, Verpoorte R. High-performance liquid chromatographic determination of indole alkaloids in a suspension culture of Tabernaemontana div aricata Journal of Chromatography A. 396: 287-295. DOI: 10.1016/S0021-9673(01)94066-X  0.328
1986 Elmi AS, Svendsen AB, Scheffer JJ, Verpoorte R. Screening of some Somalian medicinal plants for antimicrobial activity. Journal of Ethnopharmacology. 17: 283-8. PMID 3807391 DOI: 10.1016/0378-8741(86)90117-0  0.595
1986 Wijnsma R, van Weerden I, Verpoorte R, Harkes P, Lugt C, Scheffer J, Svendsen A. Anthraquinones inCinchona ledgerianaBark Infected withPhytophthora cinnamomi Planta Medica. 52: 211-212. DOI: 10.1055/S-2007-969125  0.541
1986 Heijden Rvd, Brouwer RL, Verpoorte R, Beek TAv, Harkes PAA, Svendsen AB. Indole alkaloids from Tabernaemontana elegans. Planta Medica. 52: 144-147. DOI: 10.1055/S-2007-969101  0.329
1986 Schripsema J, Hermans-Lokkerbol A, van der Heijden R, Verpoorte R, Svendsen AB, van Beek TA. Alkaloids of Tabernaemontana ventricosa Journal of Natural Products. 49: 733-735. DOI: 10.1021/Np50046A049  0.617
1986 Schripsema J, Verpoorte R, Svendsen A. Trifluoroacetic acid, A 1H-NMR shift reagent for alkaloids Tetrahedron Letters. 27: 2523-2526. DOI: 10.1016/S0040-4039(00)84574-8  0.574
1986 Wijnsma R, Go J, Harkes P, Verpoorte R, Svendsen A. Anthraquinones in callus cultures of Cinchona pubescens Phytochemistry. 25: 1123-1126. DOI: 10.1016/S0031-9422(00)81567-8  0.599
1986 van der Heijden R, Brouwer R, Verpoorte R, Wijnsma R, van Beek T, Harkes A, Svendsen A. Indole alkaloids from a callus culture of Tabernaemontana elegans Phytochemistry. 25: 843-846. DOI: 10.1016/0031-9422(86)80013-9  0.61
1986 Wijnsma R, Verpoorte R, Harkes PAA, Van Vliet TB, Ten Hoopen HJG, Svendsen AB. The influence of initial sucrose and nitrate concentrations on the growth of Cinchona ledgeriana cell suspension cultures and the production of alkloids and anthraquinones Plant Cell, Tissue and Organ Culture. 7: 21-29. DOI: 10.1007/Bf00043917  0.581
1985 Beek TAV, Smidt CD, Verpoorte R. Phytochemical investigation of Tabernaemontana crassa Journal of Ethnopharmacology. 14: 315-318. PMID 4094474 DOI: 10.1016/0378-8741(85)90096-0  0.331
1985 Van Beek TA, Verpoorte R, Svendsen AB, Fokkens R. Antimicrobially active alkaloids from Tabernaemontana chippii. Journal of Natural Products. 48: 400-23. PMID 4031898 DOI: 10.1021/Np50039A008  0.605
1985 Beek TAv, Lankhorst PP, Verpoorte R, Massiot G, Fokkens R, Erkelens C, Perera P, Tibell C. Monogagaine, a Novel Dimeric Indole Alkaloid from Tabernaemontana chippii and Tabernaemontana dichotoma [1] Zeitschrift FüR Naturforschung B. 40: 693-701. DOI: 10.1515/Znb-1985-0521  0.31
1985 van Beek T, Verpoorte R, Kinh P. Pseudovobparicine, A New Dimeric Indole Alkaloid fromTabernaemontana divaricata Planta Medica. 51: 277-279. DOI: 10.1055/S-2007-969482  0.304
1985 Perera P, Sandberg F, Van Beek TA, Verpoorte R. Alkaloids of stem and rootbark of Tabernaemontana dichotoma Phytochemistry. 24: 2097-2104. DOI: 10.1016/S0031-9422(00)83130-1  0.311
1985 Weeratunga G, Bohlin L, Verpoorte R, Kumar V. Flavonoids from Elaeodendron balae root bark Phytochemistry. 24: 2093-2095. DOI: 10.1016/S0031-9422(00)83129-5  0.319
1984 Ohiri FC, Verpoorte R, Svendsen AB. 12-Hydroxy-ll-methoxy-diaboline: A New Alkaloid from Strychnos spinosa. Planta Medica. 50: 446-7. PMID 17340349 DOI: 10.1055/s-2007-969763  0.54
1984 Mulder-Krieger T, Verpoorte R, van der Kreek M, Svendsen AB. Identification of Alkaloids and Anthraquinones in Cinchona pubescens Callus Cultures; the Effect of Plant growth Regulators and Light on the Alkaloid Content. Planta Medica. 50: 17-20. PMID 17340239 DOI: 10.1055/S-2007-969609  0.619
1984 Verpoorte R, Aadewiel J, Strömbom J, Svendsen AB. Alkaloids from Strychnos chrysophylla Journal of Ethnopharmacology. 10: 243-247. PMID 6547194 DOI: 10.1016/0378-8741(84)90006-0  0.357
1984 Perera P, Kanjanapoothi D, Sandberg F, Verpoorte R. Screening for biological activity of different plant parts of tabernaemontana dichotoma, known as divi kaduru in Sri Lanka Journal of Ethnopharmacology. 11: 233-241. PMID 6492835 DOI: 10.1016/0378-8741(84)90041-2  0.32
1984 Perera P, Sandberg F, Van Beek TA, Verpoorte R. Tertiary indole alkaloids from fruits of Tabernaemontana dichotoma Planta Medica. 50: 251-253. PMID 6484030 DOI: 10.1055/S-2007-969691  0.338
1984 van Beek TA, Deelder AM, Verpoorte R, Svendsen AB. Antimicrobial, antiamoebic and antiviral screening of some Tabernaemontana species. Planta Medica. 50: 180-5. PMID 6473552 DOI: 10.1055/S-2007-969666  0.57
1984 Van Beek TA, Verpoorte R, Svendsen AB, Leeuwenberg AJ, Bisset NG. Tabernaemontana L. (Apocynaceae): a review of its taxonomy, phytochemistry, ethnobotany and pharmacology. Journal of Ethnopharmacology. 10: 1-156. PMID 6371388 DOI: 10.1016/0378-8741(84)90046-1  0.57
1984 Verpoorte R, Mulder-Krieger T, Wijnsma R, Verzijl JM, Svendsen AB. HPLC Analysis of Alkaloids in Extracts of Callus Cultures of Cinchona Species Zeitschrift FüR Naturforschung C. 39: 680-682. DOI: 10.1515/Znc-1984-0625  0.593
1984 van Beek T, Verpoorte R, Svendsen A. Isolation and synthesis of vobparicine, a novel type dimeric indole alkaloid Tetrahedron Letters. 25: 2057-2060. DOI: 10.1016/S0040-4039(01)90112-1  0.593
1984 van Beek T, Kuijlaars F, Thomassen P, Verpoorte R, Baerheim Svendsen A. Antimicrobially active alkaloids from Tabernaemontana pachysiphon Phytochemistry. 23: 1771-1778. DOI: 10.1016/S0031-9422(00)83488-3  0.31
1984 Wijnsma R, Verpoorte R, Mulder-Krieger T, Svendsen A. Anthraquinones in callus cultures of Cinchona ledgeriana Phytochemistry. 23: 2307-2311. DOI: 10.1016/S0031-9422(00)80541-5  0.595
1984 Svendsen A, Van Kempen-Verleun A, Verpoorte R. Circular thin-layer chromatography of quaternary alkaloids Journal of Chromatography A. 291: 389-391. DOI: 10.1016/S0021-9673(00)95046-5  0.541
1983 Beek TAv, Verpoorte R, Svendsen AB. Alkaloids from Tabernaemontana psorocarpa. Planta Medica. 47: 83-86. PMID 17405098 DOI: 10.1055/S-2007-969957  0.301
1983 Perera P, Beek TAv, Verpoorte R. Dichomine, a novel type of iboga alkaloid*,**. Planta Medica. 49: 232-235. PMID 17405059 DOI: 10.1055/S-2007-969857  0.317
1983 Ohiri FC, Verpoorte R, Svendsen AB. 1HNMR Chemical Shift Values for Aromatic Protons in 2,3,9,10- and 2,3,10,11-tetrasubstituted Tetrahydroprotoberberine Alkaloids. Planta Medica. 49: 162-4. PMID 17405041 DOI: 10.1055/s-2007-969839  0.505
1983 Ohiri FC, Verpoorte R, Svendsen AB. Tertiary Phenolic Alkaloids from Chasmanthera dependens. Planta Medica. 49: 17-9. PMID 17405003 DOI: 10.1055/s-2007-969801  0.531
1983 Van Beek TA, Verpoorte R, Svendsen AB, Santos AC, Olay LP. Revised structure of phaeantharine. Journal of Natural Products. 46: 226-31. PMID 6875578 DOI: 10.1021/Np50026A017  0.555
1983 Verpoorte R, Beek TAV, Thomassen PHAM, Aandewiel J, Svendsen AB. Screening of antimicrobial activity of some plants belonging to the Apocynaceae and Loganiaceae Journal of Ethnopharmacology. 8: 287-302. PMID 6645578 DOI: 10.1016/0378-8741(83)90066-1  0.337
1983 Perera P, Sandberg F, Van Beek TA, Verpoorte R. Tertiary indole alkaloids of Tabernaemontana dichotoma seeds Planta Medica. 49: 28-31. PMID 6635015 DOI: 10.1055/S-2007-969804  0.323
1983 Verpoorte R, Kos-Kuyck E, Tjin A Tsoi A, Ruigrok C, de Jong G, Baerheim Svendsen A. Medicinal Plants of Surinam Planta Medica. 48: 283-289. DOI: 10.1055/S-2007-969935  0.343
1983 Ohiri FC, Verpoorte R, Svendsen AB, Karlsen J, Mostad A. Alkaloids of Strychnos soubrensis Journal of Natural Products. 46: 369-373. DOI: 10.1021/Np50027A013  0.614
1983 Verpoorte R, Mulder-Krieger T, Verzijl M, Verzijl J, Svendsen A. High-performance liquid chromatography of Cinchona alkaloids Journal of Chromatography A. 261: 172-175. DOI: 10.1016/S0021-9673(01)87937-1  0.553
1982 van Beek TA, Lankhorst PP, Verpoorte R, Svendsen AB. Isolation of the secoiridoid-glucoside sweroside from Tabernaemontana psorocarpa. Planta Medica. 44: 30-1. PMID 17402078 DOI: 10.1055/S-2007-971394  0.596
1982 Verpoorte R, Verzijl MJ, Svendsen AB. Further alkaloids from Strychnos dolichothyrsa. Planta Medica. 44: 21-7. PMID 17402076 DOI: 10.1055/S-2007-971392  0.596
1982 Mulder-Krieger T, Verpoorte R, de Water A, van Gessel M, van Oeveren BC, Svendsen AB. Identification of the alkaloids and anthraquinones in Cinchona ledgeriana callus cultures. Planta Medica. 46: 19-24. PMID 17396932 DOI: 10.1055/S-2007-970010  0.635
1982 Mulder-Krieger T, Verpoorte R, Graaf YPd, Kreek Mvd, Baerheim-Svendsen A. The effects of plant growth regulators and culture conditions on the growth and the alkaloid content of callus cultures of Cinchona pubescens. Planta Medica. 46: 15-18. PMID 17396931 DOI: 10.1055/S-2007-970009  0.348
1982 van Beek TA, Leeuwenberg AJ, Bisset NG, Verpoorte R, Svendsen AB. Literature survey of the genus Tabernaemontana. Planta Medica. 45: 160. PMID 17396886 DOI: 10.1055/S-2007-971347  0.526
1982 Verpoorte R, van Beek TA, Svendsen AB. Substituent induced chemical shifts for aromatic carbons in indole alkaloids. Planta Medica. 45: 158-9. PMID 17396880 DOI: 10.1055/S-2007-971343  0.546
1982 van Beek TA, Verpoorte R, Santos AC, Svendsen AB, Olay LP. Revised structure of phaeantharine. Planta Medica. 45: 144-5. PMID 17396839 DOI: 10.1055/S-2007-971302  0.528
1982 Verpoorte R, Ruigrok CL, Svendsen AB. Medicinal plants of Surinam. II: Antimicrobial active alkaloids from Aspidosperma marcgravianum. Planta Medica. 46: 149-52. PMID 7178295  0.558
1982 Mulder-Krieger T, Verpoorte R, Svendsen AB. The 13C-NMR spectrometry of cinchonamine and quinamine. Pharmaceutisch Weekblad. Scientific Edition. 4: 91-2. PMID 7110915 DOI: 10.1007/Bf01962253  0.57
1982 Verpoorte R, Van Beek TA, Siwon H, Svendsen AB. Studies on Indonesian medicinal plants. VIII. Screening of some Indonesian Menispermaceae for alkaloids; the isolation of magnoflorine from Pycnarrhena novoguinensis and Cyclea barbata. Pharmaceutisch Weekblad. Scientific Edition. 4: 87-8. PMID 7110913 DOI: 10.1007/Bf01962251  0.595
1982 Verpoorte R, Tsoi AT, van Doorne H, Svendsen AB. Medicinal plants of Suriname. I. Antimicrobial activity of some medicinal plants. Journal of Ethnopharmacology. 5: 221-6. PMID 7057661 DOI: 10.1016/0378-8741(82)90046-0  0.606
1982 Verpoorte R, Siwon J, van Essen GFA, Tieken M, Svendsen AB. Studies on Indonesian Medicinal Plants. VII. Alkaloids of Arcangelisia flava Journal of Natural Products. 45: 582-584. DOI: 10.1021/Np50023A011  0.609
1982 Van Beek TA, Verpoorte R, Svendsen AB. Colorflammine and berbacolorflammine, two new orange-colored bis(benzylisoquinoline) alkaloids from Pycnarrhena longifolia The Journal of Organic Chemistry. 47: 898-900. DOI: 10.1021/Jo00344A033  0.544
1982 Van Beek T, Lankhorst P, Verpoorte R, Svendsen A. Tacamine, the first example of a new class of indole alkaloids Tetrahedron Letters. 23: 4827-4830. DOI: 10.1016/S0040-4039(00)85724-X  0.583
1981 Ohiri FC, Verpoorte R, Svendsen AB, Rolfsen W. Tertiary Alkaloids of Strychnos soubrensis. Planta Medica. 42: 142-142. PMID 17401951 DOI: 10.1055/S-2007-971615  0.328
1981 Verpoorte R, Joosse FT, Groenink H, Svendsen AB. Alkaloids from Strychnos floribunda. Planta Medica. 42: 32-6. PMID 17401877 DOI: 10.1055/s-2007-971542  0.549
1981 Siwon J, Verpoorte R, Svendsen AB. Studies on Indonesian medicinal plants VI further alkaloids from Fibraurea chloroleuca. Planta Medica. 41: 65-8. PMID 17401818 DOI: 10.1055/s-2007-971676  0.585
1981 Rolfsen WN, Olaniyi AA, Verpoorte R, Bohlin L. Some new decussine-type alkaloids from Strychnos decussata, Strychnos dale and Strychnos elaecocarpa. Journal of Natural Products. 44: 415-21. PMID 7288442 DOI: 10.1021/Np50016A004  0.315
1981 Verpoorte R, Siwon J, Tieken MEM, Svendsen AB. Studies on Indonesian Medicinal Plants. V. The Alkaloids of Anamirta cocculus Journal of Natural Products. 44: 221-224. DOI: 10.1021/Np50014A013  0.6
1981 Hemingway SR, Phillipson JD, Verpoorte R. Meconopsis cambrica Alkaloids Journal of Natural Products. 44: 67-74. DOI: 10.1021/Np50013A012  0.357
1981 Siwon J, Verpoorte R, van Beek T, Meerburg H, Svendsen AB. Alkaloids from Pycnarrhena longifolia Phytochemistry. 20: 323-325. DOI: 10.1016/0031-9422(81)85116-3  0.6
1980 Verpoorte R, Groenink H, Svendsen A. Minor Alkaloids and Sterols in Strychnos afzelii Planta Medica. 39: 388-390. DOI: 10.1055/S-2008-1074934  0.597
1980 Siwon J, Verpoorte R, van Essen G, Svendsen A. Studies on Indonesian Medicinal Plants Planta Medica. 38: 24-32. DOI: 10.1055/S-2008-1074833  0.6
1980 Verpoorte R, Mulder-Krieger T, Troost JJ, Svendsen AB. Thin-layer chromatographic separation of cinchona alkaloids Journal of Chromatography A. 184: 79-96. DOI: 10.1016/S0021-9673(00)93798-1  0.537
1980 Ponglux D, Supavita T, Verpoorte R, Phillipson D. Alkaloids of Uncaria attenuata from Thailand Phytochemistry. 19: 2013-2016. DOI: 10.1016/0031-9422(80)83025-1  0.315
1979 Verpoorte R, Phan-Quôć-Kinh, Svendsen AB. Chemical constituents of Vietnamese toad venom collected from Bufo melanostictus Schneider. Part I. The sterols. Journal of Ethnopharmacology. 1: 197-202. PMID 542013 DOI: 10.1016/0378-8741(79)90007-2  0.56
1978 Verpoorte R, Kode EW, van Doorne H, Svendsen AB. Antimicrobial effect of the alkaloids from Strychnos afzelii Gilg. Planta Medica. 33: 237-42. PMID 662944 DOI: 10.1055/S-0028-1097382  0.581
1978 Verpoorte R, van Rijzen A, Siwon J, Svendsen A. Tertiary Alkaloids of Pycnarrhena novoguineensis Planta Medica. 34: 274-279. DOI: 10.1055/S-0028-1097450  0.597
1977 Siwon J, Verpoorte R, Svendsen AB. Sterols from Strychnos dolichothyrsa. Planta Medica. 31: 57-9. PMID 840928 DOI: 10.1055/s-0028-1097490  0.493
1976 Verpoorte R, Svendsen AB. High-performance liquid chromatography of some tropane alkaloids. Journal of Chromatography. 120: 203-5. PMID 1270545 DOI: 10.1016/S0021-9673(01)99014-4  0.553
1976 Verpoorte R, Svendsen AB. The alkaloids of Strychnos dolichothyrsa. Lloydia. 39: 357-62. PMID 1018621  0.504
1976 Verpoorte R, Svendsen AB. Thin-layer chromatography of some quaternary alkaloids and alkaloid N-oxides. Journal of Chromatography. 124: 152-6. PMID 184101 DOI: 10.1016/S0021-9673(00)87858-9  0.561
1975 Verpoorte R, Svendsen AB. High-speed liquid chromatographic separation of some Strychnos alkaloids. Journal of Chromatography. 109: 441-2. PMID 1150837 DOI: 10.1016/S0021-9673(01)91826-6  0.551
1974 Verpoorte R, Svendsen AB. High-speed liquid chromatography of alkaloids. II. Journal of Chromatography. 100: 231-2. PMID 4436412 DOI: 10.1016/S0021-9673(00)86066-5  0.545
1974 Verpoorte R, Svendsen A. 11-Methoxydiaboline in Strychnos malacoclados Phytochemistry. 13: 2011. DOI: 10.1016/0031-9422(74)85148-4  0.563
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