熊果酸

The catechin, ursolic were determined by HPLC.The polysaccharide and tannide were determined by sulphoacid-phenol and complexometric titration methods respectively.

用HPLC法测定儿茶素和熊果酸，硫酸-苯酚法测定多糖，络滴定法测定鞣质的含量。

Five triterpenoids were isolated and their structures were identified to be cauloside C (1),akebiasaponin D (2),akebiasaponin F (3),ursolic acid (4) and hederagenin (5).

分离鉴定了5个三:仙皂苷C(1)、木通皂苷D(2)、木通皂苷F(3)、熊果酸(4)和常春藤皂苷元(5)。