The thin-layer identification method comprises the following steps: preparing a control decoction piece solution, a decoction piece
test solution, and a formula granule and standard decoction
test solution, respectively dispensing the control decoction piece solution and the
test solution on the same thin-layer plate, developing by using a developing
solvent, spraying a color developing agent for color development, and inspecting under the
sunlight, so as to obtain the thin-layer identification of the charred
schizonepeta and the preparation thereof. And obtaining a thin-layer chromatogram under the
sunlight so as to finish the identification operation. The method disclosed by the invention is simple, convenient and rapid to operate, good in chromatographic spot separation degree, low in detection cost, safe and environment-friendly, can distinguish the
schizonepeta from the
schizonepeta charcoal sample, and can provide reference for
quality control of the schizonepeta
charcoal.