The antioxidant effects of clove extract (CE) by comparing with BHT and ascorbic acid (AA) in cooked beef patties were assessed at refrigerated storage. Four kinds of patties were formulated: without antioxidants (control), with added 0.02% BHT, 0.05% AA, and 0.1% CE. Addition of BHT, AA, and CE resulted in a significant (p < .05) decrease in thiobarbituric acid reactive substance (TBARS) value, carbonyl content, and hue angle; increasing of redness value; and improvement of the stability of sensory attributes. Addition of CE showed reduced protein and lipid oxidation when compared with BHT (p < .05). Moreover, CE presented lower lipid oxidation, and a higher redness value and overall color score than the AA (p < .05). Sensory assessment regarding overall color, discoloration, and odor showed that CE inclusion in patties extended the storage life up to 10 days. Therefore, the application of CE as a natural antioxidant can result in reduced protein and lipid oxidation and enhance the quality of cooked beef patties.
Keywords: Clove extract; Color values; Cooked beef patties; Oxidative stability; Sensory attributes.
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