Characterization and quantification of the cholesterol oxidation product fraction of the intramuscular fat from pork loin (fresh and marinated) with different irradiation and packaging during storage
I. García-Márquez | M. Narváez-Rivas | E. Gallardo | J. A. Ordoñez | M. León-Camacho
A study of the effect of E-beam (1 and 2 kGy) on the cholesterol oxidation product (COP) composition of fresh and marinated pork loin stored at 4 and 8 °C under different atmospheres (air, vacuum and carbon dioxide enriched ) has been carried out for the first time. The combined statistical treatment of the distinct variables showed that minor differences were found in some cholesterol oxidation products of fresh loin due to storage temperature, packaging method and storage time. No effect of irradiation (up to 2 KGy) on the COP amount was found, concluding that E-beam can be a useful tool to extend the shelf-life of fresh and marinated loin without changes in the COP fraction.
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