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法测儿茶素和熊果酸，硫酸-苯酚法测，络滴法测鞣质的含量。

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).

分离鉴了5个三萜类化物:葳岩仙皂C(1)、木通皂D(2)、木通皂F(3)、熊果酸(4)和常春藤皂(5)。