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知母中一个新皂甙的分离和结构鉴定
ISOLATION AND STRUCTURE DETERMINATION OF A NEW SAPONIN OF ANEMARRHENA ASPHODELOIDES
【摘要】 <正> 知母(Anemarrhena asphodeloides Bge)具有清热除烦,泻肺滋阴等功能。已从中分离出多种皂甙,主要有知母皂甙(timosapognin)A1,A2,A3和B1,B2,其中以知母皂甙A3含量为最多。我们从陕西产知母用常规方法分离到两个化合物晶Ⅰ和晶Ⅱ(见图1)。晶Ⅰ为白色针晶,mp 174~6℃,[α]D12-3.9℃,高分辨质谱得出分子式为C27H44O3。其香草醛—硫酸
【Abstract】 A new saponin, named smilageninoside, mp 265~ 7℃,was isolated from rhizomes of Anemarrhena asphdeloides by conventional method. The structure of smilageninoside was identified on the basis of IR, 1HNMR, 13CNMR and FAB-MS.Its structure was smilagenin 3 - O - [β- D- glucopyranosyl (1→ 2)] - β - Dmannopyranoside.
- 【文献出处】 药学学报 ,Acta Pharmaceutica Sinica , 编辑部邮箱 ,1991年08期
- 【被引频次】18
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