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Determinación de acrilamida y furosina en harinas y papillas infantiles

Authors: Mesías, M.; Guerra Hernández, Eduardo Jesús; García Villanova Ruiz, Belén;

Determinación de acrilamida y furosina en harinas y papillas infantiles

Abstract

Una de las modificaciones más importantes inducidas en el alimento durante el calentamiento es la reacción de Maillard, donde participan aminoácidos y azúcares reductores, pudiendo producirse mejora de las características organolépticas del alimento pero también pérdida del valor nutritivo y aparición de compuestos tóxicos. Los cereales infantiles son hidrolizados durante el procesado, aumentando los niveles de azúcares reductores, por lo que en el tostado o desecado de estas muestras puede favorecerse el desarrollo de la reacción de Maillard. Los niños son especialmente susceptibles a la disminución del valor nutritivo y al consumo de compuestos potencialmente tóxicos, de ahí la importancia de conocer el grado de desarrollo de esta reacción en dichos productos. En este estudio se determinó el contenido de acrilamida y furosina en harinas crudas y tostadas y en papillas infantiles, con el fin de evaluar la extensión de la reacción de Maillard. El contenido de furosina osciló entre 11,5-34,6 mg/100 g de proteínas en las muestras de harinas y entre 122-1193 mg/100 g de proteínas en las muestras de papillas. No se detectó acrilamida en las muestras de harinas y osciló entre 0,22 y 9,6 Cg/kg en las papillas. Las pérdidas de lisina pueden considerarse altas en algunas muestras, pero no suponen riesgo de déficit nutricional al consumirse estos productos con leche. La acrilamida sólo se encontró en niveles cuantificables en cuatro muestras y en concentraciones muy bajas; éstas se encuentran lejos de la dosis máxima permitida y por lo tanto no deberían representar problemas adversos tras su consumo.

One of the most important modifications originated in foods during thermal treatment is Maillard reaction, in which amino acids and reducing sugars are participants. This reaction can improve the organoleptic characteristics of foods but, moreover, can lead to nutritional value losses and apparition of toxicological compounds. Infant cereals are hydrolyzed during processing, increasing reducing sugar levels thereby Maillard reaction can be favored in toasted or dried samples. Infants are especially susceptible to the decreased nutritional value and to the toxicological compounds consumption. Thus it is important to know the development rate of this reaction in these products. In this study acrylamide and furosine content in raw and toasted flour and in infant formulas were determined, in order to evaluate Maillard reaction evolution. Furosine content ranged from 11.5 to 34.6 mg/100 g of proteins in toasted flour samples and from 122 to 1193 mg/100 g of proteins in formula samples. Acrylamide was not detected in flour samples ranging from 0.22 and 9.6 Cg/kg in formula samples. Lysine losses can be considered to be high in several samples, but it does not suppose a nutritional deficiency risk because these products are consumed together with milk. Acrylamide only was found in quantified levels in four samples and in very low concentrations. These values are lower than the maximum dose allowed and, therefore, they should not represent adverse problems after their consumption.

Este trabajo ha sido realizado bajo el proyecto de investigación AGL 2006 12656/ALI, financiado por el Ministerio de Ciencia y Tecnología.

Country
Spain
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Keywords

Maillard reaction, Acrilamida, Acrylamide, Papillas, Porridge, Furosine, Cereales infantiles, Furosina, Infant cereals, Reacción de Maillard

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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