Daily selenium intake in a moderate selenium deficiency area of Suzhou,China |
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| Authors: | Jing Gao Ying Liu Yang Huang Zhi-qing Lin Gary S Bañuelos Michael Hon-Wah Lam Xuebin Yin |
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| Affiliation: | 1. School of Earth and Space Science, University of Science and Technology of China, Hefei 230026, China;2. Suzhou Key Lab for Selenium and Human Health, Suzhou Institute for Advanced Study, University of Science and Technology of China, Suzhou 215123, China;3. Advanced Laboratory of Environmental Research and Technology, Joint Advanced Research Centre, University of Science and Technology of China, City University of Hong Kong, Suzhou 215123, China;4. Department of Biology and Chemistry, City University of Hong Kong, Kowloon, Hong Kong, China;5. Environmental Sciences Program, Southern Illinois University, Edwardsville, IL 62026, USA;6. Agricultural Research Service, United States Department of Agriculture, 9611 S. Riverbend Avenue, Parlier, CA 93648, USA |
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| Abstract: | In this study the daily dietary Selenium (Se) intake in Suzhou was investigated to determine whether residents in such a developed region were susceptible to moderate Se deficiency. Concentrations of Se in typically consumed foods in Suzhou were determined. Based on food Se content and the daily per capita consumption, the estimated Se intake in Suzhou was 43.9 ± 3.8 μg day−1. The results revealed that pork and cereals were the major sources of Se daily intake and contributed 24.7% and 22.6% to the daily Se intake, respectively. The Se content in hair of local residents was 389.9 ± 103.6 μg kg−1 for male and 322.9 ± 101.8 μg kg−1 for female. A significant linear correlation between the daily Se intake and the hair Se concentration was established. The hair Se concentration could be used to bioindicate the level of Se intake for longer period. |
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| Keywords: | Selenium Daily intake Deficiency Hair HG-AFS |
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