从龙牙木Ａｒａｌｉａｅｌａｔａ(Ｍｉｑ .)Ｓｅｅｍ .根皮中最近又分离得到一个新的三萜皂苷 ,通过理化和谱学分析 (ＭＳ、ＮＭＲ) ,确定了其结构 ,将其命名为辽宁木皂苷ⅩⅥ (图 1 )。Ｆｉｇ .1　Ｃｏｎｇｍｕｎｏｓｉｄｅ ⅩⅥ　　白色无定形粉末 ,Ｌｉｅｂｅｒｍａｎｎ A new triterpene saponin was recently isolated from the root bark of Aralia elata (Miq.) Seem. The structure was determined by physicochemical and spectroscopic analysis (MS, NMR). Saponin XVI (Figure 1). Fig .1 Congmunoside XVI White Amorphous Powder, Liebermann