title: The identification of blue triphenylmethane food dyes by thin-layer chromatography.
mesh_terms: D001391:Azo Compounds / Q000302:isolation & purification; D002855:Chromatography, Thin Layer; D004396:Coloring Agents / Q000302:isolation & purification*; D005503:Food Additives / Q000302:isolation & purification*; D000644:Quaternary Ammonium Compounds / Q000302:isolation & purification; D012394:Rosaniline Dyes / Q000302:isolation & purification; D013451:Sulfonic Acids / Q000302:isolation & purification
chemical_list: D001391:Azo Compounds; D004396:Coloring Agents; D005503:Food Additives; D000644:Quaternary Ammonium Compounds; D012394:Rosaniline Dyes; D013451:Sulfonic Acids