2012年南阳市主要食品中铅、镉污染情况的调查  

Analysis of pollution status of lead and cadmium in main foods in Nanyang in 2012

作　　者：张保国[1] 王嘉[2] 

机构地区：[1]南阳市卧龙区疾病预防控制中心,河南南阳473000 [2]华中科技大学同济医学院,湖北武汉430030

出　　处：《中国卫生检验杂志》2014年第16期2415-2416,共2页Chinese Journal of Health Laboratory Technology

摘　　要：目的了解河南省南阳市主要食品中铅、镉的污染状况,为食品安全风险评估提供可靠的依据。方法在南阳市辖区13个县(区)农贸市场、超市随机采购粮食、蛋类、蔬菜、茶叶、粮食加工品、膨化食品、菌类、面粉、肉类、鱼类、乳饮料,样品经微波消解法进行处理后,采用石墨炉原子吸收分光光度法测定铅、镉的含量。结果在本次检测的242份样品中,铅的检出率为77.3%,超标率为12.8%;镉的检出率55.4%,超标率6.61%。结论南阳市的主要食品有不同程度的铅、镉污染现象发生,其中铅含量超标较多的食品有粮食、面粉、肉类、蔬菜、乳饮料;镉含量超标较多的食品有肉类、菌类;而蛋类和鱼类无铅、镉含量超标现象。有关部门应引起重视,采取相应监管措施。Objective To understand the pollution status of lead（Pb） and cadmium （Cd） in main foods in Nanyang city, and provide reliable basis for food safety risk assessment. Methods The samples of grain, eggs, vegetables, tea - leaves, grain products, puffed food, edible mushrooms, flour, meats, fish and milk beverage were collected from farm＇s markets and super- markets of 13 counties（districts） in Nanyang. After microwave digestion, the contents of Pb and Cd in these samples were test- ed by graphite furnace atomic absorption spectrometry. Results A total of 242 samples were detected, the detection rate and o- ver standard rate of Pb were 77.3% and 12.8% , respectively, while those of Cd were 55.4% and 6.61% , respectively. Con- dusion The main foods in markets of Nanyang were polluted by lead and cadmium to a different degree. Lead was found over standard in grain, flour, meats, vegetables and milk beverage, while cadmium was found over standard in meats and edible mushrooms. Both the contents of lead and cadmium were qualified in eggs and fish. The relevant departments should pay more attention to lead and cadmium pollution in foods and take effective measures for supervision and management.

关 键 词：铅 镉 污染 检出率 超标率 

分 类 号：R155.5[医药卫生—营养与食品卫生学]