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  • Title: Interaction of lead toxicity and riboflavin status in chicks (Gallus domesticus).
    Author: Donaldson WE.
    Journal: Comp Biochem Physiol C Comp Pharmacol Toxicol; 1986; 85(1):1-3. PubMed ID: 2877772.
    Abstract:
    Chicks (Gallus domesticus) were fed diets containing 0 or 2000 ppm lead (Pb) and adequate, marginal or deficient levels of riboflavin. In comparison to adequate, marginal riboflavin depressed growth at 2000 ppm Pb but not at 0 ppm Pb. Deficient riboflavin depressed growth at both Pb levels, and Pb depressed growth at all riboflavin levels. Hepatic glutathione reductase activity was reduced by riboflavin deficiency, but Pb was without effect. Hepatic non-protein sulfhydryl concentrations were increased by Pb, and the increases were greater at the lower riboflavin levels. Dietary Pb appears to increase the level of riboflavin required in chick diets.
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