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Study on the rapid identification method of illegally added pigment in traditional Chinese medicine by TLC
Author(s): LI Qiyan, QUAN Hongyuan, JIANG Guoping, XIE Qiangsheng, ZHU Riran
Pages: 21-
24
Year: 2017
Issue:
1
Journal: Qilu Pharmaceutical Affairs
Keyword: 中药; 非法添加色素; 薄层色谱; 快速筛查;
Abstract: 目的 建立薄层色谱法快速筛查中药中的29种非法添加色素.方法 根据溶解特性,将色素分为脂溶性色素和水溶性色素两大类.采用薄层色谱法,以石油醚(60~90℃)-丙酮-乙酸乙酯(100:3:4)为展开剂展开脂溶性色素,以乙酸乙酯-正丁醇-乙醇-氨水-水(1:3:3:1:1)为展开剂展开水溶性色素,在可见光下检视.结果 各色素分离效果较好,R f值均在理想范围内.结论 本法简便快速,可用于中药中多色素染色初步筛查.
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