Immunosuppressive constituents from Saussurea medusa

被引:118
作者
Duan, HQ
Takaishi, Y
Momota, H
Ohmoto, Y
Taki, T
机构
[1] Univ Tokushima, Fac Pharmaceut Sci, Tokushima 7708505, Japan
[2] Otsuka Pharmaceut Co Ltd, Tokushima 77101, Japan
关键词
Saussurea medusa; Compositae; lignan; phaeophorbide; immunosuppressive activity;
D O I
10.1016/S0031-9422(01)00429-0
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
The methanol extract of Saussurea medusa Maxim afforded two lignans: 2alpha-guaicyl-4-oxo-6alpha-catechyl-3,7-dioxabicyclo [3.3.0]octane and 1alpha-hydroxy-2alpha,4alpha-guaicyl-3,7-dioxabicyclo[3.3.0]octane; two chlorophyll derivatives: 13-epi-phaeophorbide-a and 13-epi-phaeophorbide-a methyl ester; one megastigmane derivative: 3-hydroxy-5alpha,6alpha-epoxy-7-megastigmen-9-one, along with 19 known compounds. Their structures were established on the basis of spectroscopic studies. (C) 2002 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:85 / 90
页数:6
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