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海洋科学  2011 

麻痹性贝毒在文蛤体内的累积及净化技术研究

, PP. 45-50

Keywords: 麻痹性贝毒,文蛤(Meretrix,meretrix),塔玛亚历山大藻(Alexandrium,tamarense),累积,净化,内排外解

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Abstract:

试验研究分毒素累积和解毒两个阶段,文蛤(Meretrixmeretrix)对麻痹性贝毒(ParalyticShellfishPoisoning,PSP)的累积能力试验中每天投喂一定量塔玛亚历山大藻(Alexandriumtamarense),定期测定文蛤体内的毒素含量;解毒试验通过投喂饵料和水体消毒的“内排外解”法进行。结果表明:文蛤对麻痹性贝毒的累积能力较弱,累积试验末期(15d)的内脏毒素累积量仅为884μg/100g,内脏中毒素累积量高于肌肉,占全贝的77.4%~89.1%。15d的解毒试验中,三组文蛤体内的毒素含量都有下降,对照组毒素排出量占总累积量的30.1%,臭氧处理组占32.8%,“内排外解”法处理组毒素排出比例最高,达总累积毒素的47.2%。试验表明,“内排外解”法能加快文蛤体内PSP的排出。

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