title: Polyamide-silica gel thin-layer chromatography of red food dyes.
mesh_terms: D000577:Amides; D002855:Chromatography, Thin Layer; D004396:Coloring Agents / Q000032:analysis*; D005503:Food Additives; D012822:Silicon Dioxide
chemical_list: D000577:Amides; D004396:Coloring Agents; D005503:Food Additives; D012822:Silicon Dioxide