The quantitative analysis for the contents of strychnine,brucine and ephedrine was conducted with the methods of thin layer chromatograpy and thin layer scanning.

• 通过薄层色谱及用薄层扫描法对其中的士的宁、马钱子碱和麻黄碱进行定量分析，结果提示经麻黄炮炙的马钱子，在化学成分上可有加和性。