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目的了解深圳市水产品重金属污染状况,为食品卫生安全监管提供依据。方法在深圳市餐饮单位、超级市场和肉菜综合市场采集水产品样品427份进行重金属检测。结果深圳市水产品重金属超标率为24.1%,海水贝类的超标率最高,达58.8%,重金属污染以镉为主,总超标率为19.0%,其中海水贝类中镉的超标率为53.9%,铅和无机砷在水产品中的超标率均小于5%。结论深圳市水产品中重金属主要污染为镉污染,主要集中在海水贝类。
Objective To understand the status of heavy metal pollution in aquatic products in Shenzhen and provide the basis for food hygiene and safety regulation. Methods A total of 427 samples of aquatic products were collected from catering units, supermarkets and general markets in Shenzhen for heavy metal detection. Results The exceeding rate of heavy metals in aquatic products in Shenzhen was 24.1%, the exceeding rate of seawater shellfish was the highest (58.8%), the heavy metal pollution was mainly cadmium, the total exceeding standard rate was 19.0%, and the exceeding standard rate of cadmium in seawater and shellfish was 53.9% Lead and inorganic arsenic in aquatic products exceeded the rate of less than 5%. Conclusion The main pollution of heavy metals in aquatic products in Shenzhen is cadmium pollution, mainly concentrated in seawater shellfish.