好塩性ヒスタミン生成菌のヒスチジン脱炭酸活性に及ぼす反応条件の影響

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タイトル別名
  • Effect of Reaction Conditions on L-Histidine Decarboxylation Activity of Halophilic Histamine-Forming Bacteria.
  • コウエンセイ ヒスタミン セイセイキン ノ ヒスチジン ダツ タンサン カッセ

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抄録

the effect of reaction conditions on L-histidine decarboxylation activity of halophilic histamine-forming bacteria (Photobacterium histaminum (C-8) and P. phosphoreum (N-14)) were studied and the results were as follows.<br>The opitimum temperature and pH value for the decarboxylation activity of C-8 were 35°C and 6.0, respectively, while those for N-14 were 30 ?? 35°C and 6.0, respectively. The Km value for C-8 (3.70mM) was 5 times smaller than that for N-14 (18.8mM), showing a powerful affinity for histidine. The presence of histamine showed an inhibitory effect for the histidine decarboxylation activity of C-8, while agmatine and putrescine besides histamine did so for N-14.

収録刊行物

  • 日本水産学会誌

    日本水産学会誌 59 (10), 1745-1748, 1993

    公益社団法人 日本水産学会

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