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Changes of pH, Drip Loss and Microbes for Vacuum Packaged Exportation Pork during Cold Storage  

진상근 (진주산업대학교 국제축산개발학과)
김일석 (진주산업대학교 국제축산개발학과)
하경희 (경상대학교 축산과학부)
Publication Information
Food Science of Animal Resources / v.22, no.3, 2002 , pp. 201-205 More about this Journal
Abstract
This study was carried out to investigate the changes of pH, drip loss, total plate counts(TPC) and 5. coli for exportation pork during storage at 0$\pm$1$\^{C}$ far 554days. 25 pigs were slaughtered at commercial slaughtering house and 6 portions such as loin, tenderloin, boston butt, knuckle, inner ham and outer ham were separated for each carcass after 24hrs and then storage at 0$\pm$1$\^{C}$ after vacuum packaged. pH were significantly decreased as the storage time increased for all portions. Drip loss of Boston butt was significantly lower than that of the other portions(p<0.05), whereas inner ham had the highest drip loss(p<0.05). TPC and 5. coli were significantly higher than that of the other treatments in Tenderloin and Boston butt(P<0.05).
Keywords
exportation pork; vacuum packaging; pH; drip loss; total plate count; E-coli;
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