胆酸：具有类固醇结构的有机酸，能乳化脂肪，促进其消化作用。主要功效和作用：对于支气管炎和慢性支气管炎有一定的疗效。同时还是人工牛黄和体外培育牛黄的主要原料药。

Cholic acid: an organic acid with steroid structure, which can emulsify fat and promote its digestion. Main efficacy and effect: for bronchitis and chronic bronchitis has a certain effect. It is also the main API of artificial bezoar and in vitro cultured bezoar.