MargarineButterSitosterolsHydrogenationPhytosterolsPlant OilsDietary FatsSoybean OilEstersFatty Acids, UnsaturatedEggsFats, UnsaturatedFatty AcidsCross-Over StudiesAnticholesteremic AgentsLinolenic AcidsDiet, Fat-RestrictedFood-Processing IndustryFlame IonizationFood TechnologyHypercholesterolemiaCholesterol, LDL