ANALYSIS OF FLAVONOL GLYCOSIDES OF 13 EPILOBIUM SPECIES (ONAGRACEAE) BY LC-UV AND THERMOSPRAY LC-MS

被引：93
|
作者：
DUCREY, B [1 ]
WOLFENDER, JL [1 ]
MARSTON, A [1 ]
HOSTETTMANN, K [1 ]
机构：
[1] UNIV LAUSANNE,ECOLE PHARM,INST PHARMACOGNOSIE & PHYTOCHIM,CH-1015 LAUSANNE,SWITZERLAND
来源：
PHYTOCHEMISTRY | 1995年 / 38卷 / 01期
关键词：
EPILOBIUM; ONAGRACEAE; FLAVONOIDS; FLAVONOL GLYCOSIDES; LC-UV; LC-MS; CHEMOTAXONOMY;
D O I：
10.1016/0031-9422(94)00629-8
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
Analysis of the flavonol glycoside patterns of 13 Epilobium species was carried out by thermospray liquid chromatography-mass spectrometry (TSP/LC-MS) and high performance liquid chromatography coupled with a photodiode array detector (LC-UV). Mass-data and UV spectra recorded online, before and after post-column addition of shift reagents, provided useful structural information on the different compounds present in crude extracts. Nineteen flavonol glycosides were identified by this means. In order to confirm the on-line assignments, 13 of the compounds were isolated and their structures were elucidated. They were all 3-O-glycosides of kaempferol, quercetin and myricetin.
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页码：129 / 137
页数：9
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