Inhibitory Effect of Sarcoplasmic Protein Fraction of Fish Meat upon Modori-phenomenon Induced at about 40.DEG.C. by Washing Meat.

  • Nomura Akira
    Kochi Prefectural Industrial Technology Center
  • Itoh Yoshiaki
    Department of Aquaculture, Faculty of Agriculture, Kochi University
  • Toyoda Hirokuni
    Department of Aquaculture, Faculty of Agriculture, Kochi University STAMINA FOODS INS.
  • Obatake Atsushi
    Department of Aquaculture, Faculty of Agriculture, Kochi University

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Other Title
  • 水晒しによって誘発される40℃付近の戻りに対する水溶性タンパク質画分の抑制効果
  • ミズサラシシ ニ ヨッテ ユウハツサレル 40ドC フキン ノ モドリ ニ タ

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Abstract

For the sake of utilizing the washed meat from Type IV (the fish which exhibits a modori at around 40°C in the washed meat, not in the unwashed meat) fish, this meat was mixed with the unwashed meat and the washed meat from the fish Types I and II which have excellent gel-forming ability. Type I is the fish which does not exhibit a modori at all in the unwashed meat and the washed meat, and Type II is the fish which exhibits the modori at 60°C only in the unwashed meat.<br> The mixed meat pastes with the unwashed meat of these two types did not exhibit the modori at 40°C, while that with the washed meats exhibited it. However, the modori at 60°C was occurred in the mixture with the unwashed meat of Type II. The gel-forming ability at 80°C was improved in the mixed meat pastes.<br> Sarcoplasmic protein fraction of the meat of not only Type IV but also Type I inhibited the modori at 40°C as well as the myosin heavy chain (HC) degradation of the washed meat pastes from Type IV. The floating lipid on the wash water did not have the inhibitory effect.<br> Therefore it was suggested that an inhibiting factor against the modori at 40°C of the washed meat may be contained in the sarcoplasmic protein fraction of fish meats.

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