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。

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).

鉴定了5个三萜类化物:葳岩仙C(1)、通D(2)、通F(3)、熊果酸(4)和常春藤元(5)。