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Optimization of dry-aging conditions for chicken meat using the electric field supercooling system
Chang-Hwan Jeong1, Sol-Hee Lee1, Hack-Youn Kim1
1Department of Animal Resources Science, Kongju National University, Yesan 32439, Korea.
Abstract:
This study was designed to determine the optimal aging conditions after analyzing the physicochemical and microbiological properties of dry-aged chicken breast using an electric field supercooling system (EFSS). Chicken breast was aged for up 5 weeks at three different temperatures (0°C, -1°C, and -2°C). Aging and trimming loss at -2°C treatment showed lower values than at 0°C and -1°C treatments. Thiobarbituric acid reactive substances and volatile basic nitrogen in all treatments increased during the aging process but showed the lowest levels at -2°C. As a result of analysis of aerobic bacteria, it is microbiologically safe to dry-age for up to 2 weeks at 0°C and up to 3 weeks at -1°C and -2°C. Therefore, the dry-aged chicken breast with EFSS was optimally aged for 3 weeks at -2°C.
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