Corn Sterols and Avian Atherosclerosis.

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Abstract
Summary Leghorn cockerels were fed for 20 months on diets containing either no supplement, whole egg powder, egg oil equivalent to that contained by egg powder or these diets in combination with corn sterols, the latter added in amounts equivalent to that supplied by 5% corn oil. An additional group was given egg powder for 12 weeks and then placed on the control ration for the remainder of the experimental period. The inclusion of corn oil sterol retarded the atherogenesis that was accentuated by the addition of egg powder or egg oil. Total fat deposition in the abdominal section of the aorta was reduced in the groups fed the sterols. The brief exposure to egg powder did not leave lasting effects on those animals that were changed over to the control diet. Egg oil appeared to be similar in its atherogenicity to egg powder. Sterol excretion patterns suggested that the beneficial effect of the corn sterols was not due to interference with cholesterol absorption alone.