Abstract
In the present study, the effect of oregano essential oil, which is contained in xanthan gum and guar gum edible coating, was investigated in regard to its ability to assist with the preservation and the extension of the shelf life of minced beef meat when stored at 4 °C. Minced beef meat samples were coated with a mixture of xanthan gum and guar gum containing oregano essential oil at various levels (1–3%). The coated samples were compared with the control sample (uncoated) for bacteriological (i.e., total viable count, coliforms, and Enterobacteriaceae), physicochemical (pH), and sensorial properties (color and odor) on specific storage days (0, 3, 6, 9, and 12). There was greater microbial growth noted in the uncoated minced beef meat in comparison to the coated ones. Odor, color, and overall acceptability were significantly improved in the coated samples (p < 0.05). The chemical, bacteriological, and sensory analyses that were performed, evidenced the benefits that edible coating with oregano essential oil may have on the shelf life and quality of minced beef meat.
Subject
Process Chemistry and Technology,Chemical Engineering (miscellaneous),Bioengineering
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