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The objective of this study was to investigate the effect of high pressure (HP) processing on shelf life, as well as the addition of phosvitin on lipid and protein oxidation stability of minced chicken leg meat. Minced chicken leg meat was mixed with yolk phosvitin at 500 or 1000 mg/kg meat levels, and divided into raw and cooked groups. Then, the samples were subjected to HP at 0.1, 300, and 600 MPa. The total aerobic bacteria, lipid and protein oxidation, along with instrumental meat color (L*, a*, and b*value) of the samples were measured during storage for 7 d at 4 o C. In raw meat, the number of total aerobic bacteria was decreased by HP at 300 MPa (4 Log reductions) and 600 MPa (5 Log reductions) after 7 d of storage (p<0.05). HP at 600 MPa increased lipid oxidation of samples at all storage days and protein oxidation of samples during storage at 3 and 7 d. HP induced the changes of meat color by increase of L* value and decrease of a* value (p<0.05). The total aerobic bacteria was not detected in the cooked samples, regardless of HP pressure, and the lipid or protein oxidation of the cooked sample treated by 600 MPa was higher than that of the control (0.1 MPa) on day 7 or control on day 3, respectively (p<0.05). The results suggested that HP can improve the shelf life of minced chicken leg meat. However, phosvitin might be a limited antioxidative agent for the improvement of oxidation stability induced by HP.

Effect of Addition of Phosvitin and High Pressure Processing on Microbiological Quality and Lipid and Protein Oxidation of Minced Chicken Leg Meat