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A Study on the Constituents of Stems and Leaves of Astragalus membranaceus

作 者 ：Ma Ying-li,Tian Zhen-kun,Kuang Hai-xue,Yuan Chun-sheng and Liu Li-juan

Keywords:Astragalus membranaceus, Cycloastragenol, Cycloastragenol-glycosides,

Abstract:A new saponin was isolated from stems and leaves of Astragalus membranaceus Bunge. On the basis of chemical reaction and spectroscopic (MS, NMR)analysis, it is identified as cycloastragenol 3-O-β-D-glucoside.

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