Decreased food efficiency ratio, growth retardation and changes in liver fatty acid composition in rats consuming thermally oxidized and polymerized sunflower oil used for frying

aceite de girasol acide gras body weight crecimiento croissance efficiency eficacia fatty acids food intake fritura friture frying growth huile de tournesol oxidation oxydation peso poids polymerisation polymerization prise alimentaire (homme) rat rata rats sunflower oil toxicidad toxicity weight