TANNINS AND RELATED-COMPOUNDS .111. FLAVAN-3-OL GALLATES AND PROANTHOCYANIDINS FROM PITHECELLOBIUM-LOBATUM

被引：47

作者：

LEE, MW

MORIMOTO, S

NONAKA, GI

NISHIOKA, I

机构：

[1] Faculty of Pharmaceutical Sciences, Kyushu University 62, Higashi-ku, Fukuoka, 812

来源：

PHYTOCHEMISTRY | 1992年 / 31卷 / 06期

关键词：

PITHECELLOBIUM-LOBATUM; LEGUMINOSAE; POLYPHENOLS; FLAVAN-3-OL GALLATES; DIMERIC FLAVAN-3-OLS; PROANTHOCYANIDINS; CONDENSED TANNIN;

D O I：

10.1016/0031-9422(92)80375-O

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：

Chemical examination of the leaves of Pithecellobium lobatum has led to the isolation and characterization of five flavan-3-ol derivatives including new flavan-3-ol gallates, gallocatechin 3'- and 4'-O-gallates and gallocatechin 7,3'- and 7,4'-di-O-gallates (almost racemic), which occur as equilibrium mixtures. Examinations of the pods afforded three proanthocyanidins (procyanidins B-3 and B-4 and prodelphinidin B-1), together with flavan-3-ols.

引用

页码：2117 / 2120

页数：4

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