知母中新的甾体皂苷A New Steroidal Saponin from Anemarrhena asphodeloides Bge.
孟志云,徐绥绪,周晓棉
Meng Zhiyun;Zhou Xiaomian; Xu Suixu;
摘要(Abstract):
从中药知母(AnemarhenaasphodeloidesBge.)中分离出一种新的呋甾皂苷,用化学和光谱方法确定其结构为:(25S)26OβD吡喃葡萄糖基5β呋甾20(22)烯2β,3β26三醇3OβD吡喃葡萄糖基(1→2)βD吡喃半乳糖苷,命名为知母皂苷D.
A new furostanol saponin was isolated from the traditional Chinese medicine Anemarrhena asphodeloides Bge.On the basis of the chemical evidence and spectral analysis,the structure of this compound was elucidated as(25 S) 26 O β D glucopyranosyl 5 β furost 20(22) en 2β,3β,26 triol 3 O β D glucopyranosyl(1→2) β D galactopyranoside.It is a new compound named timosaponin D.
关键词(KeyWords):
知母;呋甾皂苷;知母皂苷D
Anemarrhena asphodeloides Bge;furostanol saponin;timosaponin D
基金项目(Foundation):
作者(Authors):
孟志云,徐绥绪,周晓棉
Meng Zhiyun;Zhou Xiaomian; Xu Suixu;