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Permanent link (DOI): https://doi.org/10.7939/R3FG7C

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Bone and meat discolouration of broiler chicken thighs Open Access

Descriptions

Other title
Subject/Keyword
discolouration
vitamin D
bone
meat
broiler
darkening
thigh
25-hydroxyvitamin D
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Singla, Sandeep
Supervisor and department
Betti, Mirko (Agricultural, Food and Nutritional Science)
Examining committee member and department
Goddard, Ellen (Rural Economy)
Korver, Doug (Agricultural, Food and Nutritional Science)
Wismer, Wendy (Agricultural, Food and Nutritional Science)
Department
Department of Agricultural, Food and Nutritional Science
Specialization

Date accepted
2011-06-16T14:55:22Z
Graduation date
2011-11
Degree
Master of Science
Degree level
Master's
Abstract
Consumer acceptance of meat depends on its colour and there is a negative bias in North America for broiler dark meat. Freezing and cooking leads to changes in meat characteristics and colour of broiler chicken thighs. The first experiment focused on the effect of freezing and cooking on broiler thighs and comparisons with fresh uncooked thighs. Freezing and cooking resulted in pigment leakage from bones and meat heme pigment oxidation and denaturation. The meat colour was not dark under the applied conditions. The second experiment dealt with the effect of diet (vitamin D, 25-hydroxyvitamin D3, dilute) fed to broilers (Male Ross 308) on the meat characteristics and colour differences in broiler thighs. The study revealed that bones from birds fed 25-hydroxyvitamin D3 diet may have a better bone mineralization indicated by certain meat parameters. However the color of meat was not affected by the dietary treatments.
Language
English
DOI
doi:10.7939/R3FG7C
Rights
License granted by sandeep singla (ssingla@ualberta.ca) on 2011-06-15T17:58:28Z (GMT): Permission is hereby granted to the University of Alberta Libraries to reproduce single copies of this thesis and to lend or sell such copies for private, scholarly or scientific research purposes only. Where the thesis is converted to, or otherwise made available in digital form, the University of Alberta will advise potential users of the thesis of the above terms. The author reserves all other publication and other rights in association with the copyright in the thesis, and except as herein provided, neither the thesis nor any substantial portion thereof may be printed or otherwise reproduced in any material form whatsoever without the author's prior written permission.
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File title: Microsoft Word - thesis corrections.doc
File author: sandeep
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