2009
DOI: 10.1590/s0100-40422009000800021
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Tocoferois e tocotrienois em óleos vegetais e ovos

Abstract: Recebido em 7/11/08; aceito em 8/5/09; publicado na web em 6/10/09 TOCOPHEROLS AND TOCOTRIENOLS IN VEGETABLE OILS AND EGGS. The distribution and content of vitamin E isomers was investigated in vegetable oils and raw and cooked egg yolk in commercial restaurants. The analysis of the eight vitamin E isomers was carried out by High Performance Liquid Chromatography (HPLC) with fluorescence detection. The tocopherol and tocotrienol composition of foods varied considerably. Tocopherols were detected in greater qua… Show more

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Cited by 33 publications
(31 citation statements)
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“…Vegetable oils have a considerable content in tocopherols, which are potential antioxidants (Guinazi et al, 2009). It is probable that A. muricata seeds oil can naturally have low antioxidant compounds or such compounds may be lost in the oil extraction process.…”
Section: Discussionmentioning
confidence: 99%
“…Vegetable oils have a considerable content in tocopherols, which are potential antioxidants (Guinazi et al, 2009). It is probable that A. muricata seeds oil can naturally have low antioxidant compounds or such compounds may be lost in the oil extraction process.…”
Section: Discussionmentioning
confidence: 99%
“…Há uma diferenciação no metabolismo desses compostos, embora o processo de absorção intestinal seja o mesmo. Tal diferenciação ocorre no fígado, no qual uma proteína específica de transferência do α-tocoferol tem maior afinidade para se ligar a esse composto na forma natural do que aos outros isômeros ou à forma sintética 11,12 .…”
Section: Análogos Da Vitamina Eunclassified
“…Os dados dos últi-mos levantamentos de disponibilidade domiciliar de alimentos, incluídos na Pesquisa de Orçamento Familiar (POF 2002(POF -2003, mostram o consumo de alguns alimentos fontes, sem quantificar o teor de vitamina E ingerido 19 . Estudos analisados por Guinazi 11 indicaram um consumo expressivo de alimentos fontes de vitamina E, como ovos e óleos (4,3 e 7,5kg/per capita/ano, respectivamente). Entretanto, o consumo de hortaliças folhosas revelou uma média diária de apenas 7,7g, o que corresponde a 2,8kg/per capita/ano.…”
Section: Alimentação E Ingestão De Vitamina Eunclassified
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