Post-mortem Change of Three-dimensional Structure of Collagen Fibrillar Network in Fish Muscle Pericellular Connective Tissues Corresponding to Post-mortem Tenderization

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  • Ando Masashi
    Department fo Fisheries, Facutly of Agriculture, Kinki University
  • Yoshimoto Yusuke
    Department fo Fisheries, Facutly of Agriculture, Kinki University
  • Inabu Kyoto
    Department fo Fisheries, Facutly of Agriculture, Kinki University
  • Nakagawa Takayuki
    Department fo Fisheries, Facutly of Agriculture, Kinki University
  • Makinodan Yasuo
    Department fo Fisheries, Facutly of Agriculture, Kinki University

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  • Post mortem Change of Three dimensional

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Abstract

The three-dimensional structure of a collagen fibrillar network was examined by using a cell-maceration/SEM method combined with measuring the breaking strength of rainbow trout, yellowtail, and tiger puffer muscles. Rainbow trout and yellowtail muscles were tenderized during storage, but tiger puffer muscle showed no tenderization even after 72h storage. According to histological observations, the thickness of pericellular connective tissue in rainbow trout and yellowtail muscles became thinner, and the density of their collagenous fibrils decreased during 24h storage. On the other hand, no structural change was observed during 72h storage in tiger puffer muscle. These results showed that the structural change in the collagen fibrillar network corresponded to the post-mortem tenderization. This result agreed well with previous light microscope and transmission electron microscope observations.

Journal

  • Fisheries science

    Fisheries science 61 (2), 327-330, 1995

    The Japanese Society of Fisheries Science

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