报告了糖衣片中法定食用色素的鉴定方法。实验结果表明:采用毛线提取薄层鉴定,毛线提取纸层鉴定、毛线提取光谱法鉴定,方法简便、易于推广。并报告了29种糖衣片的鉴定结果。 Reported the method of identification of statutory food coloring in sugar-coated tablets. The experimental results show that the method is simple and easy to popularize with the identification of wool extract, the identification of wool extract paper and the wool extraction spectrometry. And reported the results of the identification of 29 sugar-coated tablets.