[Azo dyes and vitamin A reserves in the liver]

Amaranth and Sunset Yellow FCF, added to the basic diet at 1200, 3000, 10 000 and 20 000 mg/kg, influence, after 10 days' administration to rats, neither the percentage of vitamin A stored in the liver in relation to the quantity of vitamin taken, nor the hepatic reserve expressed in IU/g of liver.