Abstract
The present study deals with the changes on the main technological characteristics and volatile compounds profile of a traditional Spanish dry-ripened loin from Celta pig breed. The evolution of physicochemical properties, colour, texture, free fatty acid profile and volatile compounds were assessed throughout the process seasoning, post-seasoning and after 30 and 60 days of dry-ripening.
As it was expected, pH, moisture and activity water were significantly (P < 0.001) influenced by ripening time. Statistical analysis also displayed that colour parameters (lightness, L*; redness, a*; yellowness, b*) decreased significantly (P < 0.001) during the manufacturing process. On the other hand, lipid oxidation reached the highest levels at the end of process with mean values of 0.34 mg MDA/kg. Regarding total FFA, a significant (P < 0.001) increase was observed during the manufacturing process, being MUFA the most abundant at the end of process. Finally, sixty seven volatile compounds were identified during the manufacture of Celta dry-cured loin. At the end of process, volatile compounds from microbial activity were the most abundant followed by volatile compounds from lipid oxidation.
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Authors are grateful to Xunta de Galicia (The Regional Government) (Project FEADER 2010/15) for the financial support.
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Pateiro, M., Franco, D., Carril, J.A. et al. Changes on physico-chemical properties, lipid oxidation and volatile compounds during the manufacture of celta dry-cured loin. J Food Sci Technol 52, 4808–4818 (2015). https://doi.org/10.1007/s13197-014-1561-x
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DOI: https://doi.org/10.1007/s13197-014-1561-x