Biochemical Studies on Skipjack, <i>Katsuwonus vagans</i>-IX

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Other Title
  • カツオの生化学的研究-IX
  • カツオ ノ セイカガクテキ ケンキュウ 8 9
  • On the Mechanism of Ammonia Formation in Pyloric Coeca (2)
  • 幽門垂におけるアンモニア生成の機構について (2)

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Abstract

In order to search the mechanism of ammonia formation in pyloric cceca, changes in nitrogen distribution with the progress of autolysis were studied. The results obtained can be summarized as follows.<br> Soluble nitrogen, ammonia, amino acid especially monoamino acid, non-precipitable nitrogen by Pb-acetate or phosphotungstic acid, increased in the course of autolysis of pyloric coeca; while precipitable nitrogen by Pb-acetate and organic base nitrogen decreased with the progress of autolysis. By investigating the results in full detail it was ascertained that in other fraction than the Pb-acetate precipitate any possible precursor of ammonia could be detected.

Journal

  • NIPPON SUISAN GAKKAISHI

    NIPPON SUISAN GAKKAISHI 21 (10), 1066-1069, 1956

    The Japanese Society of Fisheries Science

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