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Alpha-tocopherol and gamma-tocopherol concentration in vegetable oils 116
Grilo,Evellyn Câmara; Costa,Priscila Nunes; Gurgel,Cristiane Santos Sânzio; Beserra,Andressa Fernanda de Lima; Almeida,Fernanda Niéce de Souza; Dimenstein,Roberto.
Vegetable oils are the richest dietary sources of vitamin E. Vitamin E determination levels in foods are of great importance to adjust the ingestion of nutrients by the population. The purpose of this paper is to determine the concentration of alpha-tocopherol and gamma-tocopherol in vegetable oils and compare the alpha-tocopherol value to the nutritional requirement of vitamin E. The analysis was performed using High Performance Liquid Chromatography. The values expressed as mg/kg for alpha and gamma-tocopherol were, respectively, 120.3±4.2 and 122.0±7.9 in canola oil; 432.3±86.6 and 92.3±9.5 in sunflower oil; 173.0±82.3 and 259.7±43.8 in corn oil; 71.3±6.4 and 273.3±11.1 in soybean oil. A significant difference was encountered between the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Vitamin E; Vegetable oils; Nutritional recommendations.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612014000200024
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