济宁市售婴幼儿辅助食品中铅、镉、铝、铬、砷和汞含量监测分析

Monitoring and analysis of Pb,Cd,Al,Cr,As and Hg contents in food for infants and young children in Ji'ning City

目的了解有害元素(铅、镉、铝、铬、砷和汞)在婴幼儿辅助食品中的污染水平,及时发现食品安全隐患,为合理选用婴幼儿辅食提供科学的理论依据。方法采集济宁地区市售婴幼儿辅助食品86份,分别采用原子吸收光谱法、氢化物发生-原子荧光光谱法对铅、镉、铝、铬、砷和汞有害元素进行监测分析。结果样品中铅镉、铝、铬砷、汞的检出率分别为43.0%.68.6%.100.0%.76.7%.33.8%和11.6%。样品中各有害元素的合格率均在94%以上,部分样品中检出镉、铬、汞,但均未超过卫生限量标准,合格率为100.0%。肉松、鱼松类食品中砷、铅的含量高于其他类食品;配方米粉.营养面中铝含量高于其他类食品。结论86份婴幼儿辅助食品中6种有害元素均有检出,部分样品存在超标情况,应引起有关部分重视.加强监督力度。

Objective To investigate the levels of harmful elements including arsenic(As),mercury(Hg),cadmium(Cd),lead(Pb),chromium(Cr)and aluminum(Al)in supplementary foods for infants and young children,to find out the hidden danger of food safety in time and provide scientific basis for the control of food pollutionr Methods The contents of 6 harmful elements in 86 samples of supplementary foods for infants and young children sold in Jining were determined.Results The detection rates of Pb,Cd,Al j Cr,As and Hg in the samples were 43.0%,6&6%,100.0%,76.7%,33.8%and 11.6%,respectively.The qualified rates of the samples were above 94%.The contents of cadmium,chromium,mercury were found in some samples,none of harmful elements in 86 samples was out of the limits,and the qualified rate was 100.0%.The contents of arsenic and lead in meat floss and fish floss food were higher than other kinds of food,and aluminum exceeded the standard of food for rice powder and nutritional noodle.Conclusion All the six harmful elements were detected,and some samples exceeded the hygienic standards.The monitoring and supervision of infant food,health risk of harmful elements pollution should be strengthened.