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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


Citation

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

Abstract / Synopsis

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.


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Additional Metadata

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