宁波市2012年市售海产品中重金属铅、汞、镉、铬污染状况分析

了解2012年宁波市海产品中重金属铅、汞、镉、铬的含量水平,评价海产品食用的安全性。方法 在宁波市区范围内采集具有代表性、典型性的海产品,11个品种共285份样品,按照GB 5009.12—2010和GB/T 5009.17、15、123—2003进行分析。结果 285份样品中铅、汞、镉、铬检出率分别为93.3%、98.9%、98.2%、97.2%,超标率分别为2.8%、0%、15.4%、0.4%。海产品中重金属含量由高到低依次为藻类、软体类、甲壳类、鱼类。结论 2012年宁波市市售海产品重金属污染情况不容乐观,部分品种海产品重金属超标且含量较高,应引起高度重视。

Analysis on concentration of heavy metals lead, mercury, cadmium, chromium in seafood in Ningbo in 2012

To understand the levels of lead, mercury, cadmium and chromium in seafood of Ningbo in 2012and to evaluate the safety for consuming. Methods285samples of 11representative species were collected in Ningbo and analyzed by GB 5009and GB/T 5009. ResultsThe detection rates of lead, mercury, cadmium and chromium were 93.7%, 98.9%, 98.2% and 97.2%, and the violation rates were 2.8%, 0%, 15.4% and 0.4%, respectively. Heavy metal content in descending order was algae, molluscs, crustaceans and fish.ConclusionThe heavy mental contamination in seafood should be highly concerned, and high content of heavy mental was found in some seafood. Environmental protection should be strengthened during the economic development.