The effects of oleic and elaidic acid upon the in vitro intestinal uptake of cholesterol were studied in 9 weeks-old male and female rats. Elaidic acid increases the uptake of cholesterol when compared to oleic acid in both males and females. It is suggested that elaidic acid may enhance the esterification of cholesterol within the enterocyte through being more available for esterification and/or through being preferentially incorporated into cholesterol esters.
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