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New perspectives on biotoxin detection in Rangaunu Harbour, New Zealand arising from the discovery of pinnatoxins

机译:品纳毒素的发现引起新西兰兰高努港生物毒素检测的新观点

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摘要

Recent studies showing the presence of pinnatoxins in a range of shellfish from New Zealand and Australia (Selwood et al., 2010) prompted an investigation into historical mouse bioassay positives from Rangaunu Harbour, Northland, New Zealand. Eleven shellfish samples collected from the harbour between 1993 and 2008 were found to contain pinnatoxins as shown by liquid chromatography-mass spectrometric (LC-MS) analysis. Reanalysis of data from a quantitative mouse bioassay using an acetone extraction gave excellent correlation to pinnatoxin levels for seven of the nine samples tested. The cause of positive mouse bioassay results when using diethyl ether was not confirmed. A telephone survey of 22 Rangaunu Harbour residents confirmed that they had regularly consumed shellfish and other seafood collected from the harbour. Consumption was on average 2.6 times/week over 29 years. There were no reports of any associated illnesses.
机译:最近的研究表明,在新西兰和澳大利亚的许多贝类中都存在品纳毒素(Selwood等,2010),这促使人们对新西兰北国Rangaunu港的小鼠生物测定阳性的历史进行了调查。如液相色谱-质谱(LC-MS)分析所示,从1993年至2008年间从海港收集的11个贝类样品被发现含有品纳毒素。对使用丙酮萃取进行的定量小鼠生物测定法中的数据进行的重新分析显示,在所测试的9个样品中,有7个样品与品尼毒素水平具有极好的相关性。使用二乙醚时,小鼠生物测定结果呈阳性的原因尚未确认。对Rangaunu港口的22名居民进行的电话调查证实,他们定期食用从海港收集的贝类和其他海鲜。在29年中,每周平均消费2.6次。没有任何相关疾病的报道。

著录项

  • 来源
    《Harmful Algae》 |2012年第1期|p.34-39|共6页
  • 作者单位

    Cawthron Institute, 98 Halifax Street East, Nelson 7010, New Zealand,University of Otago, Department of Chemistry, Union Place West, Dunedin 9016, New Zealand;

    Aquaculture New Zealand, Level 1 Wakatu House, Montgomery Square, Nelson 7010, New Zealand;

    Cawthron Institute, 98 Halifax Street East, Nelson 7010, New Zealand;

    Cawthron Institute, 98 Halifax Street East, Nelson 7010, New Zealand;

    Cawthron Institute, 98 Halifax Street East, Nelson 7010, New Zealand;

    Cawthron Institute, 98 Halifax Street East, Nelson 7010, New Zealand;

    Cawthron Institute, 98 Halifax Street East, Nelson 7010, New Zealand;

    AgResearch, Ruakura Research Centre, East Street, Hamilton 3240, New Zealand;

    Cawthron Institute, 98 Halifax Street East, Nelson 7010, New Zealand;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    dinoflagellate; mouse bioassay; new zealand; pinnatoxin; rangaunu harbour;

    机译:鞭毛藻小鼠生物测定新西兰;品纳毒素;海港;

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