in order to compare the effects of different sources of dietary protein on the fatty acid composition of phosphatidylcholines ( pc ) , phosphatidylethanolamines ( pe ) , phosphatidylinositols ( pi ) , cholesteryl esters and triacylglycerols , male rats were fed for a 4-week period on cholesterol-free , or cholesterol-containing , diets based on casein , or soybean protein and olive oil .
C0012177
dietary protein
C0007332
casein