Technical Papers

The Apparent Antagonism Between Vitamin A and Carotenoids in the Fowl

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Science  10 May 1946:
Vol. 103, Issue 2680, pp. 584-586
DOI: 10.1126/science.103.2680.584


These experiments show that the pigmentation-suppressing factor in fish-liver oils is vitamin A. Carotene fed at comparable levels does not exert a suppressing effect on pigmentation. Inhibition of pigmentation takes place when there is a sufficiently large bodily store of vitamin A; it is not exclusively an intestinal phenomenon.