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  1. Fulltext. Position paper on trans fatty acids.

    Article - En anglais

    Fulltext.

    This report addresses the current controversy about possible health hazards of dietary trans fatty acid isomers, which are created during hydrogenation of unsaturated fats to change their textural properties and melting points.

    Estimates of intakes are approximations based on limited data and problematic analytic techniques.

    Major contributors in the diet are fried and baked foods and margarine, in which partially hydrogenated vegetable oils may replace fat sources richer in saturated fatty acids and cholesterol.

    Consumption of trans fatty acids in the United States has been relatively constant, and new food technologies are yielding decreases in the trans fatty acid content of commercially prepared foods.

    When intake of trans fatty acids (as hydrogenated fat) is compared with that of saturated fat, total and low-density-lipoprotein (LDL) - cholesterol concentrations in blood are lower, but both trans fats and saturated fats increase total and LDL concentrations when compared with cis fatty acids or native unhydrogenated fat.

    Epidemiologic data are conflicting with respect to cardiovascular disease outcomes.

    We cannot conclude that the intake of trans fatty acids is a risk factor for coronary heart disease nor can we expect that substituting trans-for cis-containing fats will reduce the risk of coronary heart disease.

    Few rigorous studies have dealt with biomedical effects of trans fatty acids and possible mechanisms relevant to human health and diseases. ...

    Mots-clés Pascal : Article synthèse, Alimentation, Acide gras, Stéréoisomère trans, Hydrogénation, Graisse hydrogénée, Consommation alimentaire, Epidémiologie, Toxicité, Recommandation alimentaire, Politique sanitaire, Lipide, Homme, Etats Unis, Amérique du Nord, Amérique

    Mots-clés Pascal anglais : Review, Feeding, Fatty acids, Trans stereoisomer, Hydrogenation, Hydrogenated fat, Food intake, Epidemiology, Toxicity, Dietary allowance, Health policy, Lipids, Human, United States, North America, America

    Logo du centre Notice produite par :
    Inist-CNRS - Institut de l'Information Scientifique et Technique

    Cote : 96-0283499

    Code Inist : 002A29B. Création : 199608.