serum levels of the plant sterols , campesterol and sitosterol , exhibited positive correlations with the polyunsaturated/saturated fatty acid ratio of dietary fat , the linoleic acid contents of plasma and dietary lipids , the amount of dietary plant sterols ( as indicated by fecal output ) , fractional and absolute absorption of dietary cholesterol , and hdl cholesterol , but were inversely related to the overall cholesterol synthesis and vldl cholesterol .
C0229671
serum
C0032105
plasma