Effect of Dihydrocholesterol and β-Sitosterol on Cholesterol Atherosclerosis in Rabbits

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Abstract
While dihydrocholesterol lowered total plasma cholesterol in the rabbit, it did not promote the regression of either the aorta lipid fractions or plaque areas in atherosclerotic animals. A comparative study of the toxicities of β-sitosterol and dihydrocholesterol disclosed that dihydrocholesterol, fed for a 7 month period, resulted in aorta plaque formation and caused the development of liver cirrhosis. On the other hand, β-sitosterol produced no toxic effects.