Abstract
Summary
1. Analyses are reported for cholesterol contents of muscle and adipose tissue from beef, veal, pork, pig, mutton, lamb, rabbit, chicken and man. It is shown that a large proportion of the cholesterol in muscle is not attributable to residual adipose tissue or any tissue of similar composition. 2. Concentration of cholesterol in muscle, apart from associated adipose tissue, is of the order of 40 to 50 mg per 100 g in the adult mammals studied and in the dark meat of chickens. Higher values were found in two elderly human beings. The corresponding cholesterol concentration in the white meat of chickens is of the order of 30 mg per 100 g. 3. There is a general tendency for muscle cholesterol concentration to be considerably higher in young, growing animals than in adults of the same species. This reinforces the theory that most of the cholesterol in muscle has a definite metabolic or structural function.
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