Year |
Citation |
Score |
1991 |
Onayade O, Scheffer J, Svendsen A, Gbile Z. Lavender Lactone and Other Volatile Constituents of the Oleoresin ofGarcinia kolaSeeds Planta Medica. 57: A86-A87. DOI: 10.1055/S-2006-960361 |
0.307 |
|
1990 |
Onayade O, Scheffer J, Svendsen A. The Importance of Phytotherapy and Screening of Plants Used Medicinally in Africa Planta Medica. 56: 503-504. DOI: 10.1055/S-2006-961040 |
0.307 |
|
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 |
0.381 |
|
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 |
0.395 |
|
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 |
0.394 |
|
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 |
0.337 |
|
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 |
0.472 |
|
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 |
0.319 |
|
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 |
0.478 |
|
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 |
0.353 |
|
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 |
0.424 |
|
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 |
0.429 |
|
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 |
0.425 |
|
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 |
0.508 |
|
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 |
0.433 |
|
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 |
0.49 |
|
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 |
0.369 |
|
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 |
0.37 |
|
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 |
0.465 |
|
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 |
0.431 |
|
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 |
0.422 |
|
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 |
0.336 |
|
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 |
0.341 |
|
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 |
0.39 |
|
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 |
0.428 |
|
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 |
0.475 |
|
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 |
0.347 |
|
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 |
0.431 |
|
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 |
0.432 |
|
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 |
0.539 |
|
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 |
0.308 |
|
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 |
0.334 |
|
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 |
0.326 |
|
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 |
0.418 |
|
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 |
0.371 |
|
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 |
0.429 |
|
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 |
0.419 |
|
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 |
0.428 |
|
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 |
0.43 |
|
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 |
0.425 |
|
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 |
0.429 |
|
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 |
0.475 |
|
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 |
0.478 |
|
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 |
0.5 |
|
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 |
0.5 |
|
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 |
0.475 |
|
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 |
0.33 |
|
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 |
0.361 |
|
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 |
0.466 |
|
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 |
0.511 |
|
1977 |
Siwon J, Verpoorte R, Svendsen AB. Sterols from Strychnos dolichothyrsa. Planta Medica. 31: 57-9. PMID 840928 DOI: 10.1055/s-0028-1097490 |
0.321 |
|
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 |
0.347 |
|
1976 |
Verpoorte R, Svendsen AB. The alkaloids of Strychnos dolichothyrsa. Lloydia. 39: 357-62. PMID 1018621 |
0.353 |
|
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 |
0.349 |
|
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 |
0.346 |
|
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 |
0.338 |
|
1974 |
Verpoorte R, Svendsen A. 11-Methoxydiaboline in Strychnos malacoclados Phytochemistry. 13: 2011. DOI: 10.1016/0031-9422(74)85148-4 |
0.355 |
|
Show low-probability matches. |