title: Extraction of water-soluble colours from food using polyamide columns.
mesh_terms: D002845:Chromatography / Q000295:instrumentation / Q000379:methods; D005504:Food Analysis / Q000379:methods*; D005505:Food Coloring Agents / Q000302:isolation & purification*; D008460:Meat / Q000032:analysis; D009757:Nylons
chemical_list: D005505:Food Coloring Agents; D009757:Nylons