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目的 研究天津市儿童硒营养状况及相关因素并进行干预。方法 应用原子荧光技术对天津市 1 5578名 1～ 7岁儿童进行全血硒测定。对缺硒儿童给予有机硒 50 μg/d ,持续 2个月的干预后 ,复查全血硒 ,记录硒干预效果。结果 全市儿童缺硒率为 1 6 8% ,经济状况较差 ,饮食结构不合理的农村儿童缺硒率高达 60 %以上。结论 儿童硒营养状况与儿童的抗病能力 ,食欲状态 ,挑食种类存在着密切的关系。应用有机硒制剂对低硒儿童进行持续 2个月的干预 ,获得满意的疗效
Objective To study the status and related factors of selenium nutrition in children in Tianjin and to intervene. Methods A total of 5578 children aged 1 to 7 years in Tianjin were assayed for total selenium by atomic fluorescence spectrometry. Selenium deficiency in children given organic selenium 50 μg / d, continued for 2 months after the intervention, the review of whole blood selenium, selenium intervention record. Results The sequel rate of children in the city was 16.8%, the economic situation was poor, and the selenium deficiency rate in rural children with unreasonable diet structure was as high as 60%. Conclusion There is a close relationship between selenium nutritional status of children and their disease resistance, appetite status and picky eaters. Application of organic selenium preparations on children with low selenium for 2 months of intervention, access to satisfactory results