Effect of grazing pastures of different botanical composition on antioxidant enzyme activities and oxidative stability of lamb meat

M J Petron, K Raes, E Claeys, M Lourenco, D Fremaut, S De Smet

    Onderzoeksoutput: Bijdrage aan tijdschriftA1: Web of Science-artikel

    Uittreksel

    The aim of this work was to study the influence of different pastures (Intensive ryegrass, Botanically diverse and Leguminosa rich pastures) on the antioxidant status and oxidative stability of meat from lambs that had been exclusively grazing for three months. Lipid, colour and protein oxidation, alpha-tocopherol content and activity of antioxidant enzymes (superoxide dismutase (SOD), catalase (Cat) and glutathione peroxidase (GSH-Px)) were measured in Longisimus thoracis et lumborum muscle samples taken 1 day after slaughter. Pasture type significantly affected protein oxidation and the activity of GSH-Px, but no significant differences were found for the alpha-tocopherol content, colour and lipid oxidation, and the activities of SOD and Cat. Grazing a Botanically diverse pasture induced significantly higher protein oxidation in meat, as measured by the free thiol and carbonyl contents, compared to a Leguminosa rich or Intensive ryegrass pasture (P
    TaalEngels
    TijdschriftMeat science
    Pagina's (van-tot)737-745
    Aantal pagina's9
    ISSN0309-1740
    DOI's
    StatusGepubliceerd - 2007

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