The fate of FD&C Red No. 2 and its metabolite, naphthionic acid, after different routes of administration in the rat.
D000284:Administration, Oral; D000548:Amaranth Dye / Q000008:administration & dosage / Q000031:analogs & derivatives / Q000378:metabolism*; D000818:Animals; D001391:Azo Compounds / Q000378:metabolism*; D004032:Diet; D007275:Injections, Intravenous; D007441:Intubation, Gastrointestinal; D008297:Male; D051381:Rats; D013997:Time Factors; D014867:Water
D001391:Azo Compounds; D014867:Water; D000548:Amaranth Dye