Packaging-specific influence of chitosan on color stability and lipid oxidation in refrigerated ground beef |
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| Affiliation: | 1. Key Laboratory of Bio-resources and Eco-environment of the Ministry of Education, College of Life Sciences, Sichuan University, Chengdu 610064, PR China;2. Sichuan Academy of Grassland Science, Chengdu 611731, PR China;3. Department of Animal and Food Sciences, University of Kentucky, Lexington, KY 40546, USA;1. 3713 West Main Street, Kalsec®, Inc., Kalamazoo, MI 49005, USA;2. Department of Animal and Food Sciences, University of Kentucky, KY 40546, USA;1. Centre for Red Meat and Sheep Development, NSW Department of Primary Industries, Cowra, NSW 2794, Australia;2. Food Packaging Group, School of Food and Nutritional Sciences, University College Cork, National University of Ireland, Cork, Ireland;1. Department of Animal Science, Texas A&M AgriLife Research, Texas A&M University, College Station 77843-2471, United States;2. USDA—ARS, Roman L. Hruska US Meat Animal Research Center, Clay Center, NE 68933, United States |
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| Abstract: | We examined the influence of chitosan on lipid oxidation and color stability of ground beef stored in different modified atmosphere packaging (MAP) systems. Ground beef patties with chitosan (1%) or without chitosan (control) were packaged either in high-oxygen MAP (HIOX; 80% O2 + 20% CO2), carbon monoxide MAP (CO; 0.4% CO + 19.6% CO2 + 80% N2), vacuum (VP), or aerobic packaging (PVC) and stored at 1 °C. Chitosan increased (P < 0.05) redness of patties stored in PVC and CO, whereas it had no effect (P > 0.05) in HIOX. Chitosan patties demonstrated lower (P < 0.05) lipid oxidation than controls in all packaging. Control patties in PVC and HIOX exhibited greater (P < 0.05) lipid oxidation than those in VP and CO, whereas chitosan patties in different packaging systems were not different (P > 0.05) from each other. Our findings suggested that antioxidant effects of chitosan on ground beef are packaging-specific. |
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