Light lamb meat quality packed under modified atmospheres: effect of stunning systems (electrically v. gas)

In the present study, the effect of type of stunning (electrical v. gas) and the gas mixtures in a modified atmosphere (MA) packing system (MA-A: 30% CO2 + 70% O2; MA-B: 30% CO2 + 69.3% N2 + 0.7% CO; MA-C: 40% CO2 + 60% N2) on light lamb meat quality, obtained by 20 males of Manchego Spanish breed,...

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Main Authors: M.B. Linares, H. Vergara
Format: Article
Language:English
Published: Elsevier 2009-01-01
Series:Animal
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S1751731109990711
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author M.B. Linares
H. Vergara
author_facet M.B. Linares
H. Vergara
author_sort M.B. Linares
collection DOAJ
description In the present study, the effect of type of stunning (electrical v. gas) and the gas mixtures in a modified atmosphere (MA) packing system (MA-A: 30% CO2 + 70% O2; MA-B: 30% CO2 + 69.3% N2 + 0.7% CO; MA-C: 40% CO2 + 60% N2) on light lamb meat quality, obtained by 20 males of Manchego Spanish breed, was evaluated at 7, 14 and 21 days post packing. For all ageing times, gas-stunned groups reached the highest pH (P < 0.001) and shear force (SF) values (P < 0.05), and at 21 days, water losses were highest; in contrast, meat colour coordinates were lower (P < 0.001). In general, MA-B showed the highest stability for colour coordinates whereas the lowest tenderness (high SF) was found on MA-A. In this study, the gas mixture with a low carbon monoxide level (MA-B) promoted a higher colour stability and good tenderness, in comparison to the other two blends. In contrast, the conventional packaging system (type A, high oxygen levels) had a reduced tenderness and major colour instability.
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spelling doaj.art-cde0ff030a7b4c41a32c356b901e5a702022-12-21T22:02:17ZengElsevierAnimal1751-73112009-01-0131217631771Light lamb meat quality packed under modified atmospheres: effect of stunning systems (electrically v. gas)M.B. Linares0H. Vergara1Departamento de Ciencia y Tecnología Agroforestal y Genética, Escuela Técnica Superior de Ingenieros Agrónomos, University of Castilla-La Mancha, Campus Universitario, 02071 Albacete, Spain; Sección de Calidad Alimentaria, Instituto de Desarrollo Regional, University of Castilla-La Mancha, Campus Universitario, 02071 Albacete, SpainDepartamento de Ciencia y Tecnología Agroforestal y Genética, Escuela Técnica Superior de Ingenieros Agrónomos, University of Castilla-La Mancha, Campus Universitario, 02071 Albacete, Spain; Sección de Calidad Alimentaria, Instituto de Desarrollo Regional, University of Castilla-La Mancha, Campus Universitario, 02071 Albacete, SpainIn the present study, the effect of type of stunning (electrical v. gas) and the gas mixtures in a modified atmosphere (MA) packing system (MA-A: 30% CO2 + 70% O2; MA-B: 30% CO2 + 69.3% N2 + 0.7% CO; MA-C: 40% CO2 + 60% N2) on light lamb meat quality, obtained by 20 males of Manchego Spanish breed, was evaluated at 7, 14 and 21 days post packing. For all ageing times, gas-stunned groups reached the highest pH (P < 0.001) and shear force (SF) values (P < 0.05), and at 21 days, water losses were highest; in contrast, meat colour coordinates were lower (P < 0.001). In general, MA-B showed the highest stability for colour coordinates whereas the lowest tenderness (high SF) was found on MA-A. In this study, the gas mixture with a low carbon monoxide level (MA-B) promoted a higher colour stability and good tenderness, in comparison to the other two blends. In contrast, the conventional packaging system (type A, high oxygen levels) had a reduced tenderness and major colour instability.http://www.sciencedirect.com/science/article/pii/S1751731109990711stunningmeatlight lambmodified atmospherecarbon monoxide
spellingShingle M.B. Linares
H. Vergara
Light lamb meat quality packed under modified atmospheres: effect of stunning systems (electrically v. gas)
Animal
stunning
meat
light lamb
modified atmosphere
carbon monoxide
title Light lamb meat quality packed under modified atmospheres: effect of stunning systems (electrically v. gas)
title_full Light lamb meat quality packed under modified atmospheres: effect of stunning systems (electrically v. gas)
title_fullStr Light lamb meat quality packed under modified atmospheres: effect of stunning systems (electrically v. gas)
title_full_unstemmed Light lamb meat quality packed under modified atmospheres: effect of stunning systems (electrically v. gas)
title_short Light lamb meat quality packed under modified atmospheres: effect of stunning systems (electrically v. gas)
title_sort light lamb meat quality packed under modified atmospheres effect of stunning systems electrically v gas
topic stunning
meat
light lamb
modified atmosphere
carbon monoxide
url http://www.sciencedirect.com/science/article/pii/S1751731109990711
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