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Sensory, Physicochemical and Microbiological Changes in Water-cooked Salted Duck during Storage at 4℃
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 Title & Authors
Sensory, Physicochemical and Microbiological Changes in Water-cooked Salted Duck during Storage at 4℃
Li, Yanliang; Yao, Dongrui; Wang, Daoying; Xu, Weimin; Zhu, Yongzhi; Jin, Bangquan;
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 Abstract
Water-cooked salted ducks were tray-packaged and stored under refrigeration () 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 to and from to , 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.
 Keywords
Sensory;pH;Total Volatile Basic Nitrogen;Spoilage Bacteria;
 Language
English
 Cited by
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