摘要
膜荚黄芪(Astragalus membranaceus (Fisch.)Bunge)为豆科植物,其根入药,有补气固表、利尿脱毒、敛疮疤生肌、益气补中之功效,主要用于气虚乏力、食少便溏、中气下陷、久泻脱肛、便血崩漏、表虚自汗。
Two new antimicrobial isoflavans, (3R)-8,2'-dihydroxy-7,4'-dimethoxyisoflavan and (3R)-7,2', 3'-trihydroxy-4'-methoxyisoflavan were isolated from root of Astragalus membranaceus (Fisch.) Bunge. Their structures were elucidated by means of chemical conversions and spectral analysis.
基金
国家新药研究基金
上海市科委基金
上海市教委研究基金
关键词
中药化学
膜荚黄芪
抗菌活性
异黄烷化合物
Astragalus membranaceus, Antimicrobials, (3R)-8,2'-dihydroxy-7, 4'-dimethoxy-isoflavan, (3R)-7,2' ,3'-trihydroxy-4'-methoxyisoflavan