从我省商品药材金银花的主要品种之一,黄褐毛忍冬(Lonicera fulvotomentosa Hsu et S.C.Cheng)的花蕾中分离到五种以常春藤皂甙元构成甙元的皂甙(Ⅰ～Ⅴ),本文报道化合物Ⅰ,Ⅱ和Ⅴ的结构测定。Ⅴ为新的三萜酸双糖链甙,命名为黄褐毛忍冬皂甙甲(fulvotomentoside A),Ⅰ和Ⅱ为已知化合物,分别被鉴定为α-常春藤皂甙(α-hederin)和无患子皂甙B(sapindoside B)。 Five species of saponins (I-V) consisting of azurine saponins are isolated from the buds of Lonicera fulvotomentosa Hsu et SCCheng, one of the main varieties of honeysuckle, which is a commercial product in our province. , Determination of structure of II and V. V is a novel triterpenoid diglycoside designated as fulvotomentoside A. I and II are known compounds and identified as α-hederin and safrole, respectively. Saponin B (sapindoside B).