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Relationship between the unsaturated fatty acid profile of poultry meat and the volatile aldehydes produced by the meat

Published online by Cambridge University Press:  23 November 2017

C. Rymer*
Affiliation:
University of Reading, Reading, United Kingdom
R.A. Gibbs
Affiliation:
University of Reading, Reading, United Kingdom
D.I. Givens
Affiliation:
University of Reading, Reading, United Kingdom
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Extract

Enriching chicken meat with the very long chain n-3 polyunsaturated fatty acids (VLC n-3 PUFA) 20:5 (EPA) and 22:6 (DHA) is a possible means of increasing the human consumption of these essential fatty acids as current levels of intake of these fatty acids are extremely low. However, a potential drawback of increasing the VLC n-3 PUFA content of chicken meat is that the oxidative stability of the meat is reduced. PUFA are more oxidatively unstable than monounsaturated or saturated fatty acids, and the aldehydes produced by the n-3 PUFA during autoxidation have a lower taste threshold, and are much more unpalatable, than the aldehydes associated with autoxidation of the n-6 series of PUFA. The objective of this study was to determine what relationship there was between the fatty acid profiles of chicken meat that had been enriched (by dietary means) with VLC n-3 PUFA and the volatile aldehydes that were produced by the meat after it had been cooked.

Type
Theatre Presentations
Copyright
Copyright © The British Society of Animal Science 2007

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