Quality indices and sensory attributes of beef from steers offered grass silage and a concentrate supplemented with dried citrus pulp
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Salami, Saheed A.O'Grady, Michael N.
Luciano, Giuseppe
Priolo, Alessandro
McGee, Mark
Moloney, Aidan

Kerry, Joseph P.
Date
2020-10
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S. A. Salami, M. N. O'Grady, G. Luciano, A. Priolo, M. McGee, A. P. Moloney, J. P. Kerry, Quality indices and sensory attributes of beef from steers offered grass silage and a concentrate supplemented with dried citrus pulp, Meat Science, 2020, 168, 108181. DOI: https://doi.org/10.1016/j.meatsci.2020.108181Abstract
This study investigated the quality composition, oxidative stability and sensory attributes of beef (longissimus thoracis, LT) from steers offered grass silage and a concentrate supplement in which barley was replaced by 40% and 80% (as-fed basis) of dried citrus pulp (DCP). Dietary treatment did not influence the antioxidant status (α-tocopherol and total phenolic contents) and activities of LT (radical scavenging activity, ferric reducing antioxidant power and iron chelating activity). Feeding DCP significantly increased the proportion of conjugated linoleic acids and polyunsaturated fatty acids in beef. Lipid and colour stability of fresh beef patties stored in modified atmosphere packs (MAP) were unaffected by dietary treatment but feeding 40% DCP reduced (P < .05) lipid oxidation in aerobically-stored cooked beef patties. Beef patties stored in MAP for up to 7 days were assessed by sensory panellists to be juicier for those fed 40% DCP compared to 0% and 80% DCP. Results indicated that substitution of barley with DCP improved the fatty acid profiles of beef without negatively influencing the eating quality of beef.Funder
European Union; Department of Agriculture, Food and the MarineGrant Number
11/S/122, FEFANae974a485f413a2113503eed53cd6c53
https://doi.org/10.1016/j.meatsci.2020.108181
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