Microbiological, rheological and physical-chemical characteristics of bovine meat subjected to a prolonged ageing period

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Giorgio Smaldone
Raffaele Marrone
Lucia Vollano
Maria Francesca Peruzy *
Carmela Maria Assunta Barone
Rosa Luisa Ambrosio
Aniello Anastasio
(*) Corresponding Author:
Maria Francesca Peruzy | mariafrancesca.peruzy@gmail.com

Abstract

The aim of this study was to evaluate the effects of a long ageing period on the microbiological, rheological and physicalchemical characteristics of bovine beef. For the trial n. 3 Marchigiana bovine breed (live weight of 760 kg approximately), slaughtered at 34 months were chosen and the loin muscles were undergone to a prolonged ageing process. The analytical determinations performed were: pH and aw values, texture profile analysis, Warner-Bratzler shear force, colour (CIE L*a*b*), centesimal analysis, total bacterial count, Enterobacteriaceae, Listeria monocytogenes, yeasts and moulds. The results indicate that extended ageing has a negative effect on weight loss but, by the means of the standardization of dry aging parameters, reduce lipid oxidation and improve tenderness.


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