マボヤにおける麻ひ性貝毒の検出

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書誌事項

タイトル別名
  • Occurrence of paralytic shellfish poisons in an ascidian Holocynthia roretzi.
  • マボヤにおける麻ひ性貝毒の検出〔英文〕
  • マボヤ ニ オケル マヒセイ カイドク ノ ケンシュツ エイブン

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抄録

A paralytic poisoning case occurred due to ingestion of the ascidian Holocynthia roretzi caught from Ofunato Bay, Iwate Prefecture, in May, 1982. Ascidians were collected from the bay and examined for the contained toxins. The toxins were identified as paralytic shellfish poisons (PSPs) which were mainly composed of gonyautoxins 1-4, together with gonyautoxin 8 and its epimer. Besides, saxitoxin and neosaxitoxin were detected as the minor components.<br> Some ascidians were analyzed for the anatomical distribution of PSP toxicity. Most toxic was the hepatopancreas (the highest toxicity, 1, 400 MU/g), followed by the branchial sac (32 MU/g), genital gland (30 MU/g), testa (20 MU/g), and mantle (19 MU/g).<br> It was concluded from these results that PSPs were the causative substances of the poisoning.

収録刊行物

  • 日本水産学会誌

    日本水産学会誌 50 (2), 331-334, 1984

    公益社団法人 日本水産学会

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