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Título : Effect of Skin Wine Pomace and Sulfite on Protein Oxidation in Beef Patties During High Oxygen Atmosphere Storage
Autor : García Lomillo, Javier
González San José, Mª Luisa
Skibsted, Leif H.
Jongberg, Sisse
Publicado en: Food and Bioprocess Technology. 2016, V. 9, n. 3, p. 532–542
Editorial : Springer
Fecha de publicación : mar-2016
Resumen : Meat storage in high oxygen atmosphere has been reported to induce protein oxidation reactions decreasing meat quality. The incorporation of antioxidants has been proposed to reduce the extent of these reactions. In this study, the ability of red and white skin wine pomaces as well as sulfites to inhibit protein oxidation were tested in beef patties stored for up to 15 days at 4 °C in a high oxygen atmosphere (70 % O2 and 30 % CO2). SO2 (300 ppm) effectively protected against protein oxidation measured as radical formation by electron spin resonance (ESR) spectroscopy, as thiol loss by the DTNB assay and as myosin heavy chain (MHC) disulfide crosslinking by SDS-PAGE. Pomace from red wine production with a total phenol of 9.9 mg gallic acid equivalent/g protected against protein radical formation and against MHC crosslinking, but not against thiol loss by addition of 2.0 % (w/w) to the beef patties. Pomace from white wine production with a total phenol of 4.0 mg gallic acid equivalent/g only protected against MHC cross-linking. For both types of wine pomace, protein modifications not seen for sulfite addition were observed and were proposed to involve covalent phenol addition to proteins. Red wine pomace may be an alternative to sulfite as a meat additive for protection of beef patties against protein oxidation.
Palabras clave: Beef patties
Protein oxidation
Protein radicals
Sulfite
Wine pomace
Protein cross-linking
URI : http://hdl.handle.net/10259/4303
Versión del editor: http://dx.doi.org/10.1007/s11947-015-1649-y
Aparece en las colecciones: Artículos TECNOFOOD

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