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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2004, Vol. 5 Issue (6): 684-688    DOI: 10.1631/jzus.2004.0684
Biotechnology & Food Science     
Comparative studies on the biochemical characteristics of natural actomyosin isolated from PSE and normal pork
DING Yu-ting, SANG Wei-guo, CHEN Yan
College of Biology & Environment Engineering, Zhejiang University of Technology, Hangzhou 310014, China; Faculty of Life Science & Biotechnology, Ningbo University, Ningbo 315211, China
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Abstract  Biochemical changes of natural actomyosin from fresh pale, soft, exudative (PSE) and normal pork were studied, and the effects of different storage temperatures and different incubation temperature and times on sample superprecipitation, total sulfhydryl (-SH) content, and ATP (adenosine triphosphate) sensitivity were investigated. The results demonstrated that ATPase activity and thermal stability of PSE actomyosin were lower than those of normal pork; and that PSE actomyosin had higher -SH content than that of normal pork at all incubation temperatures and times tested.

Key words： PSE      Pork      Actomyosin      Biochemical characteristics     
Received: 29 September 2003     
CLC:  Q954.54  
  TS251.5  
  TS254.1  
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SANG Wei-guo
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CHEN Yan
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DING Yu-ting, SANG Wei-guo, CHEN Yan. Comparative studies on the biochemical characteristics of natural actomyosin isolated from PSE and normal pork. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2004, 5(6): 684-688.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.2004.0684     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2004/V5/I6/684

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