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Selenium status of children in Kashin-Beck disease endemic areas in Shaanxi, China: assessment with mercury
Buyun Du;  Jun Zhou;  Jing Zhou
2018
发表期刊Environmental Geochemistry and Health
卷号40期号:2页码:903-913
摘要

The causes of Kashin-Beck disease (KBD) in children are multifactorial, and particular consideration has been given to childhood selenium (Se) deficiency. In this study, dietary intake of Se and mercury (Hg) was determined at KBD areas to investigate the Se status and risks. Therefore, total Hg and Se levels were investigated in scalp hair samples and in daily intake food samples of 150 schoolchildren in Yongshou County of Shaanxi, China. The results showed that the average concentration of Se in children's hair has risen to 302 ng g(-1) and significantly increased compared to the data reported decades ago. Children at KBD endemic areas likely have improved Se status due to the Se supplementation in food at recent decades. However, all the children in the study areas still showed lower Se status compared to those in other non-KBD areas of China. The probable daily intake of Se in the study areas was still lower after stopping Se supplementation in food at KBD areas, which is 17.96 mu g day(-1). Food produced locally cannot satisfy the lowest demand for Se nutrition for local residents. If the interactions of Se-Hg detoxification are considered, Hg intake from food exacerbates Se deficiency at the KBD areas.

关键词Endemic Diseases Hair Samples Staple Food Probable Daily Intake Se–hg Interactions Ele
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.gyig.ac.cn/handle/42920512-1/8692
专题环境地球化学国家重点实验室
作者单位1.Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China
2.State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550081, China
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Buyun Du;Jun Zhou;Jing Zhou. Selenium status of children in Kashin-Beck disease endemic areas in Shaanxi, China: assessment with mercury[J]. Environmental Geochemistry and Health,2018,40(2):903-913.
APA Buyun Du;Jun Zhou;Jing Zhou.(2018).Selenium status of children in Kashin-Beck disease endemic areas in Shaanxi, China: assessment with mercury.Environmental Geochemistry and Health,40(2),903-913.
MLA Buyun Du;Jun Zhou;Jing Zhou."Selenium status of children in Kashin-Beck disease endemic areas in Shaanxi, China: assessment with mercury".Environmental Geochemistry and Health 40.2(2018):903-913.
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