The effect of β-sitosterol on the metabolism of cholesterol and lipids in rats on a diet containing coconut oil

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Abstract
Intraperitoneal injection of [beta]-sitosterol (5 mg./rat/day for 25 days) into 1-year-old male Wistar rats fed on a low-fat diet supplemented with 10% of coconut oil resulted in a lowering of cholesterol and lipid concentrations in the tissues. [beta]-Sitosterol increased the rate of biosynthesis of cholesterol and lipids in the tissues, but to an even greater extent enhanced their oxidative degradation. The present results are similar to those previously obtained on a low-fat diet, indicating that the presence of fat had no marked effect on the action of [beta]-sitosterol.