Sophora flavescens Ait was identified with benzene-acetone-methanol (8 : 3 : 0.5) and the upper mixture of toluene-ethyl acetate - methanol-distilled water (2 : 4 : 2 : 1)as developer and bismuth potassium iodide -acohol (2 : 1) as coloration .

• 苦参:采用0.；5%25羧甲基纤维素钠的硅胶G板；分别以苯-丙酮-甲醇(8:3:0