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Sensory, Physicochemical and Microbiological Changes in Water-cooked Salted Duck during Storage at 4℃
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  • Sensory, Physicochemical and Microbiological Changes in Water-cooked Salted Duck during Storage at 4℃
저자명
Li. Yanliang,Yao. Dongrui,Wang. Daoying,Xu. Weimin,Zhu. Yongzhi,Jin. Bangquan
간행물명
Asian-Australasian journal of animal sciences
권/호정보
2010년|23권 7호|pp.960-964 (5 pages)
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아세아태평양축산학회
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

Water-cooked salted ducks were tray-packaged and stored under refrigeration ($4{pm}1^{circ}C$) in order to evaluate the quality changes during storage. pH, total volatile basic nitrogen (TVB-N), sensory and microbiological analysis were determined at 0, 2, 4, 6, 8, 9 and 10 days of storage. pH value and TVB-N (mg N/100 g) varied from $6.47{pm}0.16$ to $6.69{pm}0.10$ and from $5.90{pm}0.93$ to $13.42{pm}2.46$, respectively. Sensory results indicated that ducks were unacceptable at the 10th day of storage. The predominant spoilage bacteria at the end of the shelf-life were Brochothrix thermosphacta, lactic acid bacteria (LAB) and minor components were Enterobacteriaceae, members of Micrococci, yeasts and moulds. Pseudomonads were also detected. Both total bacteria and the various spoilage ones, overall, increased from the initial sampling to the final day.