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The effect of ageing on chosen quality characteristics of skeletal muscles of Aberdeen Angus bulls

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dc.contributor.authorSoidla, Riina
dc.contributor.authorKerner, Kristi
dc.contributor.authorTepper, Marek
dc.contributor.authorTänavots, Alo
dc.contributor.authorKaart, Tanel
dc.contributor.authorJõudu, Ivi
dc.contributor.departmentEstonian University of Life Sciences. Institute of Veterinary Medicine and Animal Sciences. Chair of Food Science and Technologyeng
dc.contributor.departmentEstonian University of Life Sciences. Institute of Veterinary Medicine and Animal Sciences. Chair of Animal Breeding and Biotechnologyeng
dc.date.accessioned2019-04-24T10:41:07Z
dc.date.available2019-04-24T10:41:07Z
dc.date.issued2019
dc.descriptionArticleeng
dc.description.abstractThe objective of the trial was to study the qualitative parameters of two muscles of Aberdeen Angus bulls with 250–300 kg carcass weight. After slaughter, longissimus thoracis et lumborum (LD) muscle and unseparated semimembranosus and adductor femoris(SMA) muscles were removed from the chilled carcasses. Muscles were vacuum-packed and wet aged at +2 °C for 10, 14, 18 and 20 days. Meat pH, electrical conductivity, shear force and colour were measured in all ageing times. Two thermal treatment methods (sous-vide (SV) and grilling) were used to determine cooking losses. The effects of muscles, ageing times and muscles by ageing times interaction was found with two-factorial analysis of variance. The effects of muscles, ageing times and muscle groups by ageing time interaction for raw and SV treated meat shear force was significant. Ageing decreased SV treated meat shear force from day 10 (40.8 N) to 18 (29.7 N). Fresh and SV treated LD muscle was tougher compared to the SMA muscle group, but SM showed a better response to the tenderness within 20 days of ageing. Redness and yellowness value was higher in the SM group in comparison to LD. Muscles showed good colour (lightness, redness and yellowness) stability within ageing for 20 days. No interactions were found between muscle groups and ageing times for SV treated and grilled beef cooking losses. However, SV treated meat lost more weight than grilled meat slices. The present study suggests that the optimal ageing time for meat is 18 days when the grilled meat cooking loss is the lowest.eng
dc.identifier.issn1406-894X
dc.identifier.publicationAgronomy Research, 2019, vol. 17, Special Issue 2, pp. 1472–1484eng
dc.identifier.urihttp://hdl.handle.net/10492/4704
dc.identifier.urihttps://doi.org/10.15159/ar.19.069
dc.rights.holderCopyright 2009 by Estonian University of Life Sciences, Latvia University of Agriculture, Aleksandras Stulginskis University, Lithuanian Research Centre for Agriculture and Forestry. No part of this publication may be reproduced or transmitted in any form, or by any means, electronic or mechanical, incl. photocopying, electronic recording, or otherwise without the prior written permission from the Estonian University of Life Sciences, Latvia University of Agriculture, Aleksandras Stulginskis University, Lithuanian Research Centre for Agriculture and Forestry.eng
dc.subjectbeef cattleeng
dc.subjectsemimembranosuseng
dc.subjectadductor femoriseng
dc.subjectlongissimuseng
dc.subjectmuscleeng
dc.subjectcoloureng
dc.subjectshear forceeng
dc.subjectcooking losseng
dc.subjectAberdeen Anguseng
dc.subjectarticleseng
dc.titleThe effect of ageing on chosen quality characteristics of skeletal muscles of Aberdeen Angus bullseng
dc.typeArticleeng

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2019, Vol. 17, Special Issue 2