Journal
FOOD CHEMISTRY
Volume 126, Issue 4, Pages 1716-1723Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2010.12.065
Keywords
Flax; Linseed; Omega-3; Pork; Sensory
Funding
- Saskatchewan Agriculture Development Fund
- Flax Canada
- AAFC
- European Community
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To clarify the impact of feeding co-extruded flaxseed on carcass quality and pork palatability, 96 pigs (48 barrows and 48 gilts) were fed three different levels of flaxseed (0%, 5% and 10% of dietary intake) for 76 days. Carcass quality and meat quality characteristics of pure loin muscle and ground pork (20% fat) were evaluated. Fat hardness and belly firmness decreased (P < 0.001) with increasing co-extruded flaxseed. Pigs fed co-extruded flaxseed levels had higher lean yield (P = 0.045) and total lean content (P = 0.034). Loin from barrows had higher fat content compared to gilts (P < 0.001). Co-extruded flaxseed supplementation increased (P < 0.001) omega-3 content in loin and ground pork. Pork flavour intensity and off-flavour intensity scores lowered (P < 0.001) with increasing levels of co-extruded flaxseed, being more accentuated (P = 0.023) in reheated pork chops from barrows. Diet affected all texture and flavour sensory characteristics (P < 0.05) as tissue levels of omega-3 fatty acids increased, likely as a result of increased lipid oxidation. Crown Copyright (C) 2010 Published by Elsevier Ltd. All rights reserved.
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