Antioxidant benzoylated flavan-3-ol glycoside from Celastrus orbiculatus

被引：95

作者：

Hwang, BY

Kim, HS

Lee, JH

Hong, YS

Ro, JS

Lee, KS

Lee, JJ

机构：

[1] Korea Res Inst Biosci & Biotechnol, Anticanc Agent Res Lab, Taejon 305600, South Korea

[2] Chungbuk Natl Univ, Coll Pharm, Cheongju 361763, South Korea

来源：

JOURNAL OF NATURAL PRODUCTS | 2001年 / 64卷 / 01期

关键词：

D O I：

10.1021/np000251l

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

A new flavan-3-ol glycoside, (-)-epicatechin-5-O-beta -D-glucosyl-3-benzoate (1), and two known compounds, (-)-epicatechin and (-)-epiafzelechin, were isolated from an EtOAc extract of Celastrus orbiculatus aerial parts that exhibited significant antioxidant effect in a 1,1-diphenyl-2-picrylhydrazyl (DPPH) free radical assay. The structure of 1 was elucidated by spectroscopic analyses, and compound 1 and its aglycon, (-)-epicatechin-3-benzoate (2), were found to be moderately active as antioxidants in the DPPH assay.

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页码：82 / 84

页数：3

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