文献类型：期刊文献

英文题名：Determination of Rare Earth Elements in Some Flower Herb Teas and their Infusions

作者：Ni, Zhanglin[1] Ren, Chuanyi[1] Cheng, Junyong[2] Tang, Fubin[1]

第一作者：倪张林

通信作者：Tang, FB[1]

机构：[1]Chinese Acad Forestry, Res Inst Subtrop Forestry, 73 Daqiao St, Fuyang 311400, Zhejiang, Peoples R China;[2]Hubei Acad Forestry, 39 Fengling Rd,Forest Ave, Wuhan 430075, Hubei, Peoples R China

年份：2017

卷号：28

期号：10

起止页码：1960-1965

外文期刊名：JOURNAL OF THE BRAZILIAN CHEMICAL SOCIETY

收录：;Scopus(收录号：2-s2.0-85028382870);WOS:【SCI-EXPANDED(收录号:WOS:000411813200016)】；

基金：This work was supported by the Zhejiang province and institute cooperative project (2014SY12).

语种：英文

外文关键词：rare earth elements; flower herb tea; infusion; health risk assessment

摘要：The aim of this study was to determine the sixteen rare earth elements (REEs) in twelve types of popular flower herb teas and their infusions consumed in China. Microwave-assisted acid digestion was used for all of the samples, and the contents of these elements were determined by inductively coupled plasma mass spectrometry (ICP-MS). The concentrations of REEs varied from 94.6 to 7492 mu g kg(-1) among these flower samples. Ce was the most abundant elements in all flower samples (27.3-3016 mu g kg(-1)). The leached ratios of REEs for each type of tea ranged from 7.3% (globe amaranth) to 29.8% (carnation). The leach ratios of REEs in these flower herb teas were at different percentages depending on types of flowers. The daily intake of rare earth oxides from these flower herb tea infusions may not produce any health risks.