PhytosterolsSitosterolsMargarineCholesterolYogurtSterolsStigmasterolCholesterol, LDLHypercholesterolemiaCholesterol, DietaryCholesterol, HDLAnticholesteremic AgentsPlants, Genetically ModifiedPlant ProteinsPlant LeavesLipidsZeatinPlant ExtractsDietTriglyceridesCholesterol EstersLipoproteinsArabidopsisPlant RootsButterDietary FatsGenes, PlantPlant Growth RegulatorsCholesterol OxidaseEsterificationPhytotherapySterol 14-DemethylasePlant OilsCross-Over StudiesIntestinal AbsorptionArabidopsis ProteinsSqualeneHypolipidemic AgentsRisk FactorsPlant ShootsAloeFlame IonizationCholesterol 7-alpha-HydroxylasePentacyclic Triterpenes