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      Changes in food caused by deep fat frying - A review

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          Abstract

          Deep-fat frying is widely used in food industries because of its low cost and high demand, since it produces convenient food of high acceptability. The process is based on the oil-food interaction at high temperatures, which cooks and dehydrates the food, leading to physical and chemical changes, such as starch gelatinization, protein denaturation, flavoring and color production via Maillard reaction. Some food and oil compounds are lost in the frying process, and potentially toxic compounds are developed in the oxidized oil. Although widely studied, many of these compounds have not been fully identified. The purpose of this study was to review literature findings on changes in food caused by the frying process.

          Translated abstract

          Alterações nos alimentos causados pelo processo de fritura- Revisão. O processo de fritura é amplamente utilizado em indústria de alimentos devido ao baixo custo e alta demanda pela praticidade e grande aceitação. O processo é baseado na interação óleo-alimento a altas temperaturas, que cozinha o alimento e desidrata, levando a alterações físicas e químicas assim como a gelatinização do amido, desnaturação de proteínas, aroma e produção de cor através da reação de Maillard. Alguns compostos presentes nos alimentos e no óleo são perdidos no processo de fritura, e componentes potencialmente tóxicos são desenvolvidos nos óleos oxidados. Embora diversos tenha havido avanços na identificação desses componentes, muitos ainda não foram identificados. A proposta desse trabalho foi avaliar as alterações nos alimentos causadas pelo processo de fritura.

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          Author and article information

          Contributors
          Role: ND
          Role: ND
          Role: ND
          Role: ND
          Journal
          alan
          Archivos Latinoamericanos de Nutrición
          ALAN
          Sociedad Latinoamericana de Nutrición (Caracas )
          0004-0622
          March 2013
          : 63
          : 1
          : 5-13
          Affiliations
          [1 ] University of São Paulo Brazil
          Article
          S0004-06222013000100001
          0a68605f-853e-4b43-9c44-750d170d6c54

          http://creativecommons.org/licenses/by/4.0/

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          SciELO Venezuela

          Self URI (journal page): http://www.scielo.org.ve/scielo.php?script=sci_serial&pid=0004-0622&lng=en
          Categories
          NUTRITION & DIETETICS

          Nutrition & Dietetics
          Composition of food,frying oil,sensory changes,Composição do alimento,óleo de fritura,alterações sensoriais

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