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目的改进清胃黄连片鉴别项下的薄层色谱方法。方法用毒性较小的甲苯取代苯作为溶剂和展开剂。结果可获得等同的色谱结果。结论建议在今后修订《卫生部药品标准》时逐步取消具有一定致癌性和强毒性的苯。
Objective To improve the TLC method for the identification of Qingwei. Methods Toluene was used as a solvent and developing agent to replace benzene with less toxicity. The results give equivalent chromatographic results. Conclusions It is suggested that benzene with certain carcinogenicity and toxicity be phased out when the “Ministry of Health Drug Standards” is revised in the future.