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      PRKAG3 and CAST genetic polymorphisms and quality traits of dry-cured hams — I. Associations in Spanish dry-cured ham Jamón Serrano

      , , , , , , , ,
      Meat Science
      Elsevier BV

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          Abstract

          The functional single polymorphisms identified in the calpastatin (CAST) gene have been related to the rate of meat tenderization and the protein turnover after slaughter, and the Ile199Val polymorphism identified in the coding region of the protein kinase AMP-activated (PRKAG3) gene has been proven to affect ultimate pH in muscle. The aim of the present study was to show the effects of these genetic polymorphisms on the quality traits of Spanish dry-cured ham Jamón Serrano. A tissue sample from 665 crossbreed pigs were genotyped for PRKAG3 Ile199Val, CAST Arg249Lys and CAST Ser638Arg polymorphisms, and a subsample of 120 dry cured hams was selected to perform physico-chemical, rheological, instrumental colour and sensory analyses. Associations between the polymorphisms and several quality traits of dry-cured ham, mainly related to flavour and texture, were found. The genotypes PRKAG3 Ile/Ile, CAST249 Arg/Arg and CAST638 Arg/Arg, and the haplotype CAST 249Arg-638Arg were the most favourable for Jamón Serrano production.

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          Author and article information

          Journal
          Meat Science
          Meat Science
          Elsevier BV
          03091740
          December 2012
          December 2012
          : 92
          : 4
          : 346-353
          Article
          10.1016/j.meatsci.2012.06.018
          22762995
          df424872-a4fd-4c93-9ede-1c67f8982748
          © 2012

          https://www.elsevier.com/tdm/userlicense/1.0/

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