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用2,3-二氨基萘荧光法测定了云南昭通市克山病病区的土壤、粮食、儿童头发中硒含量并与其它病区和非病区的同类品种作了对比分析。其结果为:云南昭通市克山病病区的土壤、粮食、儿童头发中平均硒含量成倍地高于其它病区同类品种的硒含量,接近或高于现有非病区同类品种的平均硒含量。 昭通市克山病病区的土壤、粮食、儿童头发中硒含量处于现有非病区硒水平的环境中。
The content of selenium in soil, grain and children’s hair in Keshan disease area of Zhaotong City, Yunnan Province was measured by 2,3-diaminonaphthalene fluorescence method and compared with other similar and non-diseased species. The results showed that the average selenium content of soil, food and children’s hair in Keshan disease ward of Zhaotong, Yunnan Province was doubled higher than those of other ward species, which was close to or higher than that of the existing non-ward homogeneous species Selenium content. Zhaotong Keshan disease wards soil, grain, child hair selenium content in the existing non-ward selenium levels in the environment.