the method has been applied to the analysis of retinoid levels in the liver and intestine of vitamin a-deficient hamsters following a p.o . dose ( 0.5 mg/day for 2 days ) of retinyl acetate or of a synthetic vitamin a analog and is predictive of the degree to which various synthetic retinoids can be converted to retinol and stored in the liver as retinyl esters .
C0042842
vitamin a-deficient
C0073109
retinyl acetate