Optimización de la adición de α-tocoferol y palmitato de ascorbilo para la estabilización de aceite de sardina

Autores/as

  • R. Morales-Medina Department of Chemical Engineering, University of Granada
  • P. J. García-Moreno Department of Chemical Engineering, University of Granada
  • M. M. Muñío Department of Chemical Engineering, University of Granada
  • A. Guadix Department of Chemical Engineering, University of Granada
  • E. M. Guadix Department of Chemical Engineering, University of Granada

DOI:

https://doi.org/10.3989/gya.0694141

Palabras clave:

Aceite de pescado, Antioxidantes, Estabilización, Optimización, Oxidación lipídica

Resumen


El objetivo de este trabajo fue optimizar la adición de antioxidantes naturales (α-tocoferol y palmitato de ascorbilo) para la estabilización de aceite de sardina rico en omega-3 PUFA. Bajas concentraciones de α-tocoferol (50–207 ppm) combinadas con la adicción de antioxidantes secundarios como palmitato de ascorbilo (450 ppm) y ácido cítrico (50 ppm), minimizaron la formación de hidroperóxidos en el aceite de sardina estudiado. Sin embargo, los productos secundarios de oxidación se redujeron para concentraciones medias de α-tocoferol (478–493 ppm), altas de palmitato de ascorbilo (390–450 ppm) y 50 ppm de ácido cítrico. El efecto contradictorio de la concentración de α-tocoferol en la optimización individual del índice de peróxidos e índice de p-anisidina motivó la realización de una optimización simultánea que permite satisfacer la optimización de cada una de las variables individuales en el grado deseado.

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Citas

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Publicado

2015-06-30

Cómo citar

1.
Morales-Medina R, García-Moreno PJ, Muñío MM, Guadix A, Guadix EM. Optimización de la adición de α-tocoferol y palmitato de ascorbilo para la estabilización de aceite de sardina. Grasas aceites [Internet]. 30 de junio de 2015 [citado 5 de mayo de 2025];66(2):e069. Disponible en: https://grasasyaceites.revistas.csic.es/index.php/grasasyaceites/article/view/1534

Número

Sección

Investigación