{"title":"Occurrence of TTX in a Brackish Water Puffer “Midorifugu”, Tetraodon nigroviridis, Collected from Thailand","authors":"Y. Mahmud, K. Yamamori, T. Noguchi","doi":"10.3358/SHOKUEISHI.40.5_363","DOIUrl":null,"url":null,"abstract":"Screening tests were carried out on the toxicity of a brackish water puffer, Tetraodon nigroviridis, collected from Thailand through November, 1996 to May, 1998. Among the different tissues, the skin showed the highest toxicity scores, ranging from 49.2-286MU/g, followed by muscle (5.4-11MU/g), while liver and intestine mostly gave scores under 5MU/g. The toxin was partially purified by three kinds of column chromatography consisting of activated charcoal, Bio-Gel P-2 and Bio-Rex 70. Analyses by HPLC, TLC, electrophoresis, 1H-NMR and LC/MS identified the purified toxin as tetrodotoxin.","PeriodicalId":17269,"journal":{"name":"Journal of The Food Hygienic Society of Japan (shokuhin Eiseigaku Zasshi)","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"1999-10-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"37","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of The Food Hygienic Society of Japan (shokuhin Eiseigaku Zasshi)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.3358/SHOKUEISHI.40.5_363","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 37
Abstract
Screening tests were carried out on the toxicity of a brackish water puffer, Tetraodon nigroviridis, collected from Thailand through November, 1996 to May, 1998. Among the different tissues, the skin showed the highest toxicity scores, ranging from 49.2-286MU/g, followed by muscle (5.4-11MU/g), while liver and intestine mostly gave scores under 5MU/g. The toxin was partially purified by three kinds of column chromatography consisting of activated charcoal, Bio-Gel P-2 and Bio-Rex 70. Analyses by HPLC, TLC, electrophoresis, 1H-NMR and LC/MS identified the purified toxin as tetrodotoxin.
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