in a 2 x 2 factorial arrangement , miniature pigs were fed four diets containing vegetable protein/fat ( soybean ) and animal protein ( egg white ) /fat ( beef tallow ) to demonstrate the effects of protein and fat source on tissue cholesterol concentrations , uptake of intact low density lipoproteins ( ldl ) and free cholesterol exchange from ldl to tissues .
C0008377
cholesterol
C0023824
cholesterol