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Two new flavonol glycosides from Gymnema sylvestre and Euphorbia ebracteolata
被引:55
|作者:
Liu, X
Ye, WC
[1
]
Yu, B
Zhao, SX
Wu, HM
Che, CT
机构:
[1] China Pharmaceut Univ, Dept Nat Prod Chem, Nanjing 210009, Peoples R China
[2] Chinese Acad Sci, Shanghai Inst Organ Chem, State Key Lab Bioorgan & Nat Prod Chem, Shanghai 200032, Peoples R China
[3] Chinese Univ Hong Kong, Sch Chinese Med, Hong Kong, Hong Kong, Peoples R China
关键词:
flavonol glycoside;
kaempferol 3-O-beta-D-glucopyranosyl-(1 -> 4)-alpha-L-rhamnopyranosyl-(1 -> 6)-beta-D-galactopyranoside;
quercetin 3-O-6 ''-(3-hydroxyl-3-methylglutaryl)-beta-D-glucopyranoside;
Gymnema sylvestre;
Euphorbia ebracteolata;
D O I:
10.1016/j.carres.2003.12.017
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:
Two new flavonol glycosides, namely kaempferol 3-O-beta-D-glucopyranosyl-(l --> 4)-alpha-L-rhamnopyranosyl-(1 --> 6)-beta-D-galactopyranoside (1) and quercetin 3-O-6"-(3-hydroxyl-3-methylglutaryl)-beta-D-glucopyranoside (2), have been isolated from the aerial parts of Gymnema sylvestre and Euphorbia ebracteolata, respectively. Their structures were determined on the basis of chemical and spectroscopic methods. (C) 2004 Elsevier Ltd. All rights reserved.
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页码:891 / 895
页数:5
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