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目的对广州市市售水产品进行监测分析,了解当地贝类水产品是否存在贝类毒素的污染状况。方法采集广州市水产品市场出售的60份水产品,采用固相萃取-超高效液相色谱串联质谱(SPE-UPLCMS/MS)方法,对样品中OA、DTX-1、SPX1、GYM、YTX、AZA1、PTX2 7种脂溶性贝类毒素项目进行监测分析。结果 21批次样品中检出含有贝类毒素,检出率为35%,主要的污染项目是OA、PTX2、GYM和SPX1,其中3份检出OA,5份检出PTX2、9份检出GYM、11份检出SPX1。结论广州市售水产品中脂溶性贝类毒素虽然含量水平低,但检出率较高,因此,应加强监督和管理,确保消费者食用安全。
Objective To monitor and analyze the aquatic products on the market in Guangzhou and find out whether the shellfish toxin exists in the local shellfish aquatic products. Methods Sixty aquatic products were collected from the aquatic products market in Guangzhou. The products of OA, DTX-1, SPX1, GYM, YTX and their metabolites were analyzed by SPE-UPLC / MS. AZA1, PTX2 seven kinds of fat-soluble shellfish to monitor the project analysis. Results The detection rate of shellfish toxins in 21 batches of samples was 35%. The main pollution items were OA, PTX2, GYM and SPX1, of which 3 were detected OA, 5 were detected PTX2 9 were detected GYM, 11 detected SPX1. Conclusion Although the content of fat-soluble shellfish toxins in Guangzhou’s aquatic products is low, the detection rate is relatively high. Therefore, supervision and management should be strengthened to ensure the safety of consumers.