title: Chemical investigations on some constituents of pigmented onion skins.
mesh_terms: D002241:Carbohydrates / Q000032:analysis; D004032:Diet; D008722:Methods; D010368:Pectins / Q000032:analysis / Q000302:isolation & purification; D010858:Pigmentation; D014675:Vegetables / Q000032:analysis*
chemical_list: D002241:Carbohydrates; D010368:Pectins