Trans Fatty AcidsHydrogenationDietary FatsStereoisomerismFatty AcidsFatty Acids, UnsaturatedMargarineFatty Acids, MonounsaturatedIsomerismFood AnalysisButterStearic AcidsFatty Acids, Omega-3Fatty Acids, EssentialFood LabelingFatty Acids, Omega-6Oleic AcidsDietary Fats, UnsaturatedDietPlant OilsLinoleic Acids, ConjugatedCocosLinoleic AcidOleic AcidFatty Acids, NonesterifiedFatty Acid DesaturasesFatty Acid SynthasesLipidsPhospholipidsTriglyceridesSoybean OilLinoleic AcidsCholesterolDairy ProductsChromatography, GasLipid MetabolismFood IndustryCholesterol, LDLLipoproteinsHealth FoodFatsOilsEnergy IntakeCholesterol, HDLDietary ProteinsMilk, HumanDietary FiberDietary SupplementsNutrition PolicyCross-Over StudiesDiet SurveysDietary CarbohydratesRuminantsAdipose TissueDiet RecordsBody WeightCosta Rica