广州市2006—2011年蛋及蛋制品铅污染状况调查

Analysis on lead contamination of eggs and egg products in Guangzhou city during 2006-2011

目的分析广州市2006—2011年鲜蛋及蛋制品中重金属铅污染监测结果,了解广州市市售蛋及蛋制品铅污染状况。方法采取分层抽样方法,在广州市12个区中选择肉菜市场、超市、餐饮单位、零售店、批发点、流动摊贩6大类采样点,抽取518份蛋及蛋制品样品进行重金属铅元素检测。结果 518份样品进行重金属铅检测,合格479份,合格率92.47%。其中皮蛋合格率为93.85%(168/179),检出率为62.57%(112/179);鲜蛋合格率为93.13%(217/233),检出率为63.52%(148/233);咸蛋合格率为88.68%(94/106),检出率为58.49%(62/106)。结论广州市蛋及蛋制品存在一定程度的重金属铅污染,重金属铅超标率为7.53%,检出率达62.16%,有关部门应加强监测,追查超标样品来源,采取有效措施,尽可能减少市售蛋及蛋制品中出现铅超标商品。

Objective To analysis lead contamination of eggs and egg products in Guangzhou during 2006—2011 through surveillance data.Methods Stratified sampling was used to collect egg samples from 12 districts of Guangzhou city in six types of sampling points,such as meat markets,supermarkets,catering business,retail stores and street vendors.Results Among 518 samples collected,479 were qualified,accounting for 92.47%.The qualified rate of preserved eggs was 93.85%（168/179）,and the detection rate was 62.57%（112/179）.The qualified rate of fresh eggs was 93.13%（217/233）,and the detection rate was 63.52%（148/233）.The qualified rate of salted eggs was 88.68%（94/106）,and the detection rate was 58.49%（162/106）.Conclusion Lead contamination existed in eggs and egg products in Guangzhou,the violation rate was 7.53%,and the detection rate was 62.16%.More attention should be paid to the supervision and surveillance authorities.We should reduce the lead contamination in eggs and egg products.