Galloylglucosides from berries of Pimenta dioica

被引：42

作者：

Kikuzaki, H ^{[1
]}

Sato, A ^{[1
]}

Mayahara, Y ^{[1
]}

Nakatani, N ^{[1
]}

机构：

[1] Osaka City Univ, Fac Human Life Sci, Dept Food & Nutr, Sumiyoshi Ku, Osaka 5588585, Japan

来源：

JOURNAL OF NATURAL PRODUCTS | 2000年 / 63卷 / 06期

关键词：

D O I：

10.1021/np9906121

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Three new galloylglucosides, (4S)-alpha-terpineol 8-O-beta-D-(6-O-galloyl)glucopyranoside (1); (4R)-alpha-terpineol 8-O-beta-D-(6-O-galloyl)glucopyranoside (2), and 3-(4-hydroxy-3-methoxyphenyl)propane-1,2-O-beta-D-(6-O-galloyl)glucopyranoside (3), were isolated from the berries of Pimenta dioica together with three known compounds, gallic acid (4), pimentol (5), and eugenol 4-O-beta-D-(6-O-galloyl)glucopyranoside (6). The structures of 1-3 were elucidated on the basis of MS and NMR spectral data and enzymatic hydrolysis. These galloylglucosides (1-3, 5, and 6) showed radical-scavenging activity nearly equivalent to that of gallic acid (4) against 1,1-diphenyl-2-picrylhydrazyl radical.

引用

页码：749 / 752

页数：4

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