[Influence of oral administration of various doses of 2 azo dyes, amaranth and Sunset Yellow FCF, on storage of vitamin A in rat liver].

Amaranth and Sunset Yellow FCF, added to the basic diet of rats at concentrations of 1 200, 2 000, 10 000 and 20 000 mg/kg, do not affect, after administration for ten days, either the percentage of ingested vitamin A' stored in the liver, nor the "liver reserve" of vitamin A (expressed in IU/g/liver).