Methods: Thin-layer chromatography method was used to identify the cholic acid,doxicholic acid of pig.

• 方法:采用薄层色谱法对胆酸、猪去氧胆酸、贝斯素成分进行色谱鉴别,紫外-可见分光光度法测定胆酸、胆红素的含量。