Toxicity of Taiwanese gobies

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Recently, three paralytic food poisoning incidents due to ingestion of the goby <i>Yongeichthys nebulosus</i> occurred in Taiwan. Therefore, intensive investigation of toxic goby was performed from August 1996 to July 1998. More than 300 specimens of 12 species of gobies were collected from 15 locations and examined for toxicity. The specimens of three species of gobies, <i>Y</i>. <i>nebulosus, Prachaeturichtys palynema</i>, and <i>Radigobius caninus</i>, collected from Pingtung, Penghu, Kaohsiung, Miaoli, and Hsinchu were found to be toxic. The most toxic goby was <i>Y</i>. <i>nebulosus</i>, 93% of which were toxic. Specimens collected from Pingtung Prefecture were most toxic, the toxicity was more than 1000 MU/specimen. A seasonal variation of toxicity in <i>Y</i>. <i>nebulosus</i> was found, and the highest toxicity was observed for specimens collected in winter with a value of 4998 MU/specimen. The toxin was partially purified from the methanolic extract of each toxic species by Diaflo YM-1 membrane ultrafiltration and Bio-Gel P-2 column chromatography. High-performance liquid chromatography and electrophoresis analyses indicated that each toxic species contained tetrodotoxin (TTX) and anhydrotetrodotoxin. Among three toxic gobies, <i>P</i>. <i>palynema</i> and <i>R</i>. <i>caninus</i> are first reported to contain TTX.

収録刊行物

  • Fisheries science : FS  

    Fisheries science : FS 66(3), 547-552, 2000 

    The Japanese Society of Fisheries Science

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各種コード

  • NII論文ID(NAID)
    10004858900
  • NII書誌ID(NCID)
    AA10993718
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    09199268
  • NDL 記事登録ID
    5444069
  • NDL 雑誌分類
    ZR26(科学技術--農林水産--水産)
  • NDL 請求記号
    Z54-H592
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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