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 µg 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, respectively, suggesting that females might be exposed to higher levels of Se from daily cooking. Although there was no human selenosis occurrence in recent years, the high level of the daily Se intake suggested that the potential risk of selenosis for local residents, especially females, might be a matter of concern.
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机译：恩施市是中国湖北高硒（Se）地区，1958年至1963年期间观察到人类硒病。这项研究调查了位于恩施市东北72公里的沙地镇居民的日常饮食中硒的摄入量，以评估高硒地区人患硒病的危险。分析了当地居民通常食用的食物及其头发样本中的总硒含量。不同饮食类型中的硒含量如下：谷物：大米中0.96±0.90 mg kg -1 DW，玉米中0.43±0.55 mg kg -1 DW；块茎：马铃薯为0.28±0.56 mg kg -1 ，甘薯为0.36±0.12 mg kg -1 ；蔬菜：胡萝卜中的0.23±1.00 mg kg -1 到芸豆中的1.57±1.06 mg kg -1 ；动物蛋白：鸡肉和鸡蛋中的1.99±1.11 mg kg −1 。根据食物中的硒含量和人均日消费量，沙地的估计每日硒摄入量为人均550±307 µg。此外，当地成年居民头发中的硒浓度为3.13±1.91 mg kg -1 （n = 122）和2.21±1.14 mg kg -1 （n = 122）分别针对女性和男性，这表明女性在日常烹饪中可能会暴露于更高水平的硒中。尽管近年来没有发生人类硒病的发生，但是每天摄入的高硒含量表明，当地居民，尤其是女性的硒病潜在风险可能值得关注。
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