The structures of these compounds were elucidated mainly by spectral methods as three tetracyclo-triterpene acids (1-3),three steroids (4-6) and (+)catechin (7).

• 采用硅胶柱层析等方法从中分离纯化得7个化合物,通过波谱技术和理化常数对照确定了它们的化学结构,包括3个四环三萜酸(1-3)、3个甾体(4-6)及儿茶素(7)。