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Investigation and Current Situation of Rare-Earth Elements Issues in Chinese Tea

YANG Xiu-fang1,KONG Jun-hao1,GAO Yu-ping1,2,ZHANG Shi-kang1,YU Chao1,3,ZHAO Yu-xiang1(1.Hangzhou Tea Research Institute,CHINA COOP,Hangzhou 310016,China;2.Zhejiang University,Hangzhou 310023,China; 3.Jiangnan University,Wuxi 214122,China)  
High rare earth contents in some special teas have been one of the hot issues,which received much concern in the field of food safety in recent years.The security of rare earth elements feeding excessive and determination methods of REOs(Rare-Earth Oxides) in teas were mainly summarized in this essay.The current situations were emphatically analyzed with the recent research data of rare earth in China teas,coping strategies and solutions of rare-earth issues in tea were investigated as well,hoping to provide references on a comprehensive understanding of rare earth in teas for practitioners,consumers and policy makers.
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