Selenium concentrations and glutathione peroxidase activities in a population exposed to selenium via drinking water

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Abstract
Se concentrations in blood, urine, hair and tap water were determined in samples obtained from individuals exposed to varying amounts of the element via water from home wells. Glutathione peroxidase activities were also determined on the blood samples. Correlations of blood Se with the enzyme activity were not statistically significant. Correlations of water Se, urine Se and hair Se with glutathione peroxidase activity were also not statistically significant. A relationship between Se and glutathione peroxidase activity does not exist when Se status is adequate.