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在人体内含有微量硒。过去认为它是一种有毒的物质,自从1975年AWasthi证明硒为人红细胞谷胱甘肽过氧化物酶(GSH-Px)的组成成份,才认识到硒是人体必需的微量元素。现已证明低硒是克山病发病的基本因素,也与癌症和其它心血管疾病等多种疾病有关。随着硒对人体营养作用的深入研究,国外不少文献报道了硒与孕妇和新生儿之间的关系,证明妇女在妊娠期处于低硒状态。鉴于国内目前还未报道这方面的工作,我们在有关单位协助下,测定了我国西安地区正常妇女和晚期妊娠妇女全血硒的水平,报告如下:
Contains traces of selenium in the human body. It was thought to be a toxic substance in the past. Sevent years after AWasthi proved that selenium is a component of human erythrocyte glutathione peroxidase (GSH-Px), he realized that selenium is an essential trace element for the body. It has been demonstrated that low selenium is a basic factor in the pathogenesis of Keshan disease and is also linked to various diseases such as cancer and other cardiovascular diseases. With the further study of the effect of selenium on human nutrition, many foreign literature reports the relationship between selenium and pregnant women and newborns, proving that women are in a low selenium status during pregnancy. In view of the fact that we have not reported the work in this area at present in our country, we measured the level of selenium in whole blood of normal women and late pregnant women in Xi’an of our country with the help of the relevant units. The report is as follows: