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Effects of dietary oil blend on fatty acid composition, oxidative stability and physicochemical properties of Longissimus thoracis et lumborum muscle in goats

Adeyemi, Kazeem Dauda and Sabow, Azad Behnan and Abubakar, Ahmed Abubakar and Samsudin, Anjas Asmara @ Ab Hadi and Sazili, Awis Qurni (2016) Effects of dietary oil blend on fatty acid composition, oxidative stability and physicochemical properties of Longissimus thoracis et lumborum muscle in goats. Animal Science Journal, 87 (11). pp. 1421-1432. ISSN 1344-3941; ESSN: 1740-0929

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Official URL: http://onlinelibrary.wiley.com/wol1/doi/10.1111/as...

Abstract

This study examined the effects of dietary blend of 80% canola oil and 20% palm oil (BCPO) on the physicochemical properties, antioxidant status, oxidative stability and fatty acid composition of Longissimus thoracis et lumborum (LTL) muscle from goats during chill storage. Over a 14-week feeding trial, 24 Boer bucks were randomly assigned to and supplemented with diets containing 0, 4 or 8% BCPO on a dry matter basis, slaughtered and the LTL was subjected to a 7 day chill storage. Neither diet nor post mortem ageing influenced (P > 0.05) antioxidant enzyme activities, chemical composition and cholesterol. Diet had no effect on the carbonyl content, free thiol content, water-holding capacity, tenderness, pH and glycogen. Oil-supplemented goats had higher (P < 0.05) C18:1 trans-11, C18:3n-3 and C20:5n-3, carotenoid, tocopherol and redness, and lower thiobarbituric acid reactive substances values than the control goats. Post mortem ageing decreased (P < 0.05) shear force and oxidative stability of chevon. No significant (P > 0.05) changes were found in the proportion of individual fatty acids throughout storage. Total polyunsaturated fatty acids (PUFA) decreased while total saturated fatty acids increased as storage progressed. Dietary BCPO enhanced n-3 PUFA without compromising the quality attributes of chevon.

Item Type:Article
Keyword:Ageing; Antioxidant; Carbonyl; Cholesterol; Thiol
Faculty or Institute:Faculty of Agriculture
Halal Products Research Institute
Institute of Tropical Agriculture
Publisher:Japanese Society of Animal Science
DOI Number:10.1111/asj.12597
Altmetrics:http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1111/asj.12597
ID Code:52390
Deposited By: Nabilah Mustapa
Deposited On:06 Jun 2017 16:17
Last Modified:06 Jun 2017 16:17

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