A Survey of 16 Rare Earth Elements in the Major Foods in China

查看全文 作　　者：JIANG Ding [1]Guo;YANG [1]Jie;ZHANG [1]Shuo;YANG Da [1]Jin

机构地区：[1]China National Center for Food Safety Risk Assessment,Beijing 100021,China

出　　处：《Biomedical and Environmental Sciences》索引2012年第25卷第3期,共5页

摘　　要：Objective The aim of this survey was to inves gate the level of contamina on of the most consumed foods in China with 16 rare earth elements (REEs),and to provide the basic data for establishing and revising food safety standards for REEs.Methods Sixteen REEs in foods were measured by induc vely coupled plasma-mass spectrometry (ICP-MS) in the labs of the Centers for Disease Control and Preven on of four provinces and two municipali es,during 2009-2010.Results 1 231 samples were analyzed and 19 121 concentra on data of 16 REEs were collected.The REEs levels in the inves gated foods varied significantly.The concentra ons of cerium (Ce),dysprosium (Dy),y rium (Y),lanthanum (La),and neodymium (Nd) were rela vely high,while the remaining eleven REEs were at low levels.The mean values of total rare earth element oxides (REOs) in cereals,fresh vegetables,fresh aqua c products,fresh meats and eggs varied from 0.052 mg/kg to 0.337 mg/kg.Conclusion 16 REEs in the major foods were at very low contamina on levels in the inves gated regions. 关键词：食品安全标准稀土元素中国电感耦合等离子体质谱污染水平 ICP-MS 新鲜蔬菜疾病控制

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A Survey of 16 Rare Earth Elements in the Major Foods in China

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