Abstract
Summary
1. The relationship of carcass hexosamine concentration to age in growing rats showed that a marked decrease occurs between 10 and 80 days of age. 2. Hexosamine synthesis within the rat was demonstrated by means of balance studies on fasted animals and on animals fed diets containing very small or moderate amounts of hexosamine. 3. Supplementation of diets with moderate amounts of glucosamine-HCI had no effect on hexosamine levels in the carcass or excreta. 4. Hexosamines were demonstrated to occur in a number of semi-purified dietary proteins.
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