Limnantheoside C (20-hydroxyecdysone 3-O-β-D-glucopyranosyl-[1→3]-β-D-xylopyranoside), a phytoecdysteroid from seeds of Limnanthes alba (Limnanthaceae)

被引：0
|
作者：
Meng, YH
Whiting, P
Sik, V
Rees, HH
Dinan, L
机构：
[1] Univ Exeter, Dept Biol Sci, Hatherly Labs, Exeter EX4 4PS, Devon, England
[2] Univ Exeter, Dept Chem, Exeter EX4 4QD, Devon, England
[3] Univ Liverpool, Sch Biol Sci, Liverpool L69 7ZB, Merseyside, England
来源：
ZEITSCHRIFT FUR NATURFORSCHUNG C-A JOURNAL OF BIOSCIENCES | 2001年 / 56卷 / 11-12期
关键词：
ecdysteroid; meadowfoam; ponasterone A;
D O I：
暂无
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：
A new ecdysteroid glycoside, limnantheoside C (20-hydroxyecdysone 3-O-beta-D-glucopyranosyl-[-->3]-beta-D-xylopyranoside [1]), together with limnantheoside A (20-hydroxyecdysone 3-O-beta-D-xylopyranoside [2]) and 20-hydroxyecdysone (3) have been isolated by bioassay/RIA-directed HPLC analyses of a methanol extract of the seedmeal of Limnanthes alba Hartw. ex Benth. The structure of the novel ecdysteroid glycoside (1) was determined unambiguously by UV, LSIMS and a combination of 1D- and 2D-NMR experiments. These three compounds are isolated from Limnanthes alba for the first time.
引用
收藏
页码：988 / 994
页数：7
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