Methods :Silica-G-CMCNa plate was used with choroform-ethyl acetate-formic acid (6: 3:1) as developing solvent.

• 方法:使用硅胶G薄层板,泽泻药材作为对照,以氯仿-醋酸乙酯-甲酸(6:3:1)为展开剂。