Influence of H3- -Sitosterol on Sterol Excretion.

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Abstract
An increased fecal excretion of cholesterol and related sterols followed the administration of H3-[beta]-sitosterol to rats receiving cholesterol-free emulsions containing bile salt and fatty acid. Approximately 53% of the administered labeled [beta]-sitosterol was not recovered in the feces. Our study provides additional evidence that plant sterols are absorbed in the same manner as cholesterol and thereby compete with cholesterol for the sterol absorptive mechanism.
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