貝類外套膜外液の生化学的研究 (第三報)

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書誌事項

タイトル別名
  • Biochemical Studies on Extrapallial Fluid of Short-necked Clam (Part III)
  • アサリ サイシュ ゴ ノ ホウチ ジョウケン ニ ヨル ショ セイブン オヨビ スウシュ コウソ カッセイ ノ ヘンドウ
  • Changes of Components and Enzyme Activities of Short-necked Clam due to Various Environmentals Conditions after Sampling
  • アサリ採取後の放置条件による諸成分および数種酵素活性の変動

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A study was carried out on the changes of the contents of succinic acid and other components of the short-necked clam left in various environmental conditions, and the following results were obtained.<BR>1) During the period from December through February, the quantity of succinic acid in the extrapallial fluid of the commercial short-necked clam was as much as 25 to 37% of the total succinic acid and the quantity in the flesh also was higher than that in the previous report observed at about the same period. 2) When the short-necked clam was exposed to the air for 24 hours, succinic acid increased in quantity both in the flesh and in the extrapallial fluid. Particulary in the extrapallial fluid, it remarkably increased from 0-10mg% in the control specimen to 72.4mg% in February specimen and 108.6mg% in September specimen occupying 56.4% and 42.7% of the total succinic acid, respectively. 3) When the short-necked clam was soaked in fresh water for 24 hours or in warm sea water of 35°C for 3 hours, succinic acid increased in quantity both in the flesh and in the extrapallial fluid. In the latter portion, succinic acid once occupied 60% of the total succinic acid. 4) When the short-necked clam was half-exposed for 7 days, succinic acid in the flesh decreased once and increased later. On the contrary, succinic acid in the extrapallial fluid increased at first and decreased later. Thus, the changes in the two portions did not necessarily show the same trand.

収録刊行物

  • 栄養と食糧

    栄養と食糧 23 (3), 169-174, 1970

    公益社団法人 日本栄養・食糧学会

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