From the polar portion of the methanolic extract of the fresh rhizomes of Atractylodes lancea DC., nine new sesquiterpene glycosides [two guaiane-type glycosides, atractylosides A and B (1 and 2), and seven eudesmane-type glycosides, atractylosides C, D, E, F, G, H and I (3-9)] were obtained and their structures were characterized by enzymatic hydrolysis, spectroscopic means and X-ray analysis.
新鲜苍术根茎
甲醇提取物的极性部分,含有九种新的
倍半萜苷[两种
愈创木烷型苷,白术苷A和B(1和2),以及七种
桉烷型苷,白术苷C、D 、E、F、G、H和I(3-9)],并通过酶解、光谱和X射线分析对其结构进行了表征。