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Effect of the Scalding Temperature at Slaughtering Process on Meat Quality and Storage Properties of Chicken  

채현석 (농촌진흥청 축산연구소)
안종남 (농촌진흥청 축산연구소)
유영모 (농촌진흥청 축산연구소)
박범영 (농촌진흥청 축산연구소)
함준상 (농촌진흥청 축산연구소)
김동훈 (농촌진흥청 축산연구소)
이종문 (농촌진흥청 축산연구소)
최양일 (충북대학교 축산학과)
Publication Information
Food Science of Animal Resources / v.24, no.2, 2004 , pp. 115-120 More about this Journal
Abstract
This study was carried out to investigate the effect of the scalding temperature at slaughtering process on meat quality and storage properties of chicken. The yellowness (b$\^$*/ value) of skin decreased at high scalding temperature (65-67$^{\circ}C$) and WHC (water holding capacity) increased from 67.04% at low temperature (53-55$^{\circ}C$) to 69.26% at high temperature. WBS (Warner-Bratzler Shear force) significantly increased from 1.70kg/0.5inch$^2$ to 2.54kg/0.5inch$^2$ as the scalding temperature increased (p<0.05). TBARS (Thiobarbituric Acid-Reactive Substance) values were 0.25mgMA/kg at low temperature, 0.24mgMA/kg at middle temperature (59-61$^{\circ}C$) and 0.27mgMA/kg on 3 days of storage. Total aerobic counts (TPC) were 4.99 logCFU/mL at low temperature, 4.88 10gCFU/mL at middle temperature and 4.05 logCFU/mL. Although TPC was decreased as the scalding temperature increased. The detection rate of feather at carcass inspection was low as the scalding temperature increased and the detection rate of large feather (>lcm) was not significantly different between middle temperature and high temperature. Exposed flesh was severe as the scalding temperature increased. In conclusion, meat color and physical properties of chicken were acceptable when the carcasses were scalded at low temperature, but they were microbiologically susceptible and uneasy to remove the feather. The yellowness (b$\^$*/ value) of skin decreased at high scalding temperature, and total aerobic counts (TPC) were decreased as the scalding temperature increased, and easy to remove the feather.
Keywords
chicken; scalding; temperature; physical property;
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