Structural studies of triterpenoid saponins with new acyl components from Quillaja saponaria Molina

被引：48
作者：
Guo, SJ [1 ]
Kenne, L [1 ]
机构：
[1] Swedish Univ Agr Sci, Dept Chem, SE-75007 Uppsala, Sweden
来源：
PHYTOCHEMISTRY | 2000年 / 55卷 / 05期
关键词：
structural analysis; triterpene; Quillaja saponins; phytolaccagenic acid; 22 beta-hydroxyquillaic acid; echinocystic acid; acetyl group; (S)-2-methylbutanoyl group; (3S; 4S)-3-hydroxy-4-methylhexanoyl group;
D O I：
10.1016/S0031-9422(00)00340-X
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：
Eight new triterpenoid saponins were isolated from a bark extract of Quillaja saponaria Molina by silica and reverse phase chromatography. The saponins were characterized by spectroscopic data and chemical methods as phytolaccagenic acid, 22 beta -hydroxy-quillaic acid, and echinocystic acid substituted with different oligosaccharides at C-3 and C-28. The O-4 of the fucosyl residue in the 28-O-oligosaccharide was substituted with either acetyl, (S)-2-methylbutanoyl, or (3S,4S)-3-hydroxy-4-methylhexanoyl groups. (C) 2000 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：419 / 428
页数：10
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