Journal
NUTRIENTS
Volume 5, Issue 3, Pages 700-710Publisher
MDPI
DOI: 10.3390/nu5030700
Keywords
Enshi; selenium; daily dietary intake; hair; selenosis
Categories
Funding
- Natural Science Youth Foundation of Jiangsu Province for Youth, China [BK2012202]
- State Key Laboratory of Soil and Sustainable Agriculture
- Institute of Soil Science
- Chinese Academy of Sciences [Y052010020]
- SOA Key Laboratory for Polar Science
- Polar Research Institute of China [KP201106]
- National Science Foundation of China [NSFC 40601088]
- Jiangsu Research-Industry Joint Innovation Project [BY2011186]
- Suzhou Leading Talent Project [ZXL2010045]
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Enshi is a high selenium (Se) region in Hubei, China, where human selenosis was observed between 1958 and 1963. This study investigated the daily dietary Se intake of residents in Shadi, a town located 72 km northeast of Enshi City, to assess the risk of human selenosis in the high Se area. Foods consumed typically by the local residents and their hair samples were analyzed for total Se concentration. Concentrations of Se in different diet categories were as follows: cereals: 0.96 +/- 0.90 mg kg(-1) DW in rice and 0.43 +/- 0.55 mg kg(-1) DW in corn; tuber: 0.28 +/- 0.56 mg kg(-1) in potato and 0.36 +/- 0.12 mg kg(-1) in sweet potato; vegetables: ranging from 0.23 +/- 1.00 mg kg(-1) in carrot to 1.57 +/- 1.06 mg kg(-1) in kidney bean; animal proteins: 1.99 +/- 1.11 mg kg(-1) in chicken and egg. Based on the food Se concentrations and the daily per-capita consumption, the estimated daily Se intake in Shadi was 550 +/- 307 mu g per capita. Moreover, the Se concentrations in the hairs of local adult residents were 3.13 +/- 1.91 mg kg(-1) (n = 122) and 2.21 +/- 1.14 mg kg(-1) (n = 122) for females and males,
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