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Perspect. nutr. hum ; 17(2): 115-124, jul.-dic. 2015. tab, graf
Article in Spanish | LILACS | ID: biblio-955278

ABSTRACT

RESUMEN Antecedentes la cocción de alimentos en horno microondas es una tendencia en aumento en la población en general, sin que se tenga en cuenta el efecto sobre su calidad. Objetivo evaluar el efecto del extracto de Bixa orellana sobre aceite de girasol durante el calentamiento en microondas. Materiales y métodos aceite de girasol, con y sin la adición de extracto de Bixa orellana 100 ppm, se sometió a calentamiento durante 12 minutos en horno microondas evaluándose sus propiedades fisicoquímicas a distintos intervalos de tiempo. Resultados la adición de Bixa orellana contribuye a conservar la calidad del aceite de girasol sometido al microondas durante los tres primeros minutos de calentamiento. A tiempos mayores, dadas las temperaturas alcanzadas, no se observa efecto protector. Conclusión la adición de 100 ppm de extracto de Bixa orellana en aceite de girasol permite contrarrestar la oxidación durante tres minutos de calentamiento en microondas.


ABSTRACT Background Microwave cooking is a growing trend in the general population, which does not take into account the effect on food quality. Objective: To evaluate the effect of the extract of Bixa orellana on sunflower oil during microwave heating. Materials and methods Sunflower oil was heated during 12 minutes in a microwave, with and without the addition of 100 mg extract of Bixa orellana, and physicochemical properties were evaluated at different time intervals. Results The addition of Bixa orellana extract contributes to preserve the quality of the sunflower oil during the first three minutes of heating. For longer periods, no protective effect is observed. Conclusion The addition of 100 mg of extract of Bixa orellana on sunflower oil was capable to avoid the oxidation during microwave heating for three minutes.

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