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中国低硒带人群硒营养状态的变化趋势与成因分析 被引量:24

Change trend and factors of residential selenium nutrition status in low selenium belt in China
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摘要 就近 2 0年来中国低硒带人群硒营养状态的变化进行了对比分析 ,并对其成因作了探讨。自 1 974~ 1 976年以来低硒带人群的硒营养水平明显提高 ,一般经济发展较快的地区提高幅度较大 ,边陲贫困地区仍处于较低水平。在人群中的变化也不均衡 ,发硒含量≤ 0 .1 0 0μg/g的地区硒易感性疾病患病率仍较高 ,>0 .1 50 μg/g的人群占绝对优势的地区病情基本得到控制 ,病区自然消退。经济发展 ,物质交流。居民膳食结构改变以及外源性硒输入是低硒带人群硒营养水平提高的主要原因。我国克山病。 In this paper, comparison and analysis were conducted on the variation of residential selenium nutrition status in low selenium belt in China for the recent 20 years, and the cause of variation was probed. The primary results were: since 1974~1976, selenium nutrition level of crowd in low selenium belt had been obviously improved. Generally, the improving extent of selenium nutrition status in areas where rapid economic development was withessed, but selenium nutrition status still maintained in a lower level in remote poverty stricken areas. Changes of selenium nutrition level in crowd were inequilibrium. Incidence of selenium responsive diseases was high in areas where people's hair selenium contents were less than 0 100 μg/g in a big proportion, and patient's condition had been mainly controlled in areas where lots of people's hair selenium contents were more than 0 150 μg/g, then disease affected areas eliminated naturally. Moreover, development of economy, material exchanges into and from diseases areas, adjusting food compositions and exogenous selenium input were the main reasons for the raising of residential selenium nutrition levels. Keshan disease and Kaschin-Beck disease would be basically controlled with the continuous raising of residential selenium nutrition levels in China.
作者 侯少范
出处 《地理研究》 CSCD 北大核心 2000年第2期134-140,共7页 Geographical Research
关键词 低硒带 硒营养状态 硒易感性疾病 成因分析 low selenium belt selenium nutrition status selenium-responsive diseases
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