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目的对江西省不同土壤类型地区环境碘含量与人群碘营养状况的关联性进行了分析,为不同地区食盐加碘浓度的调整以及科学补碘提供依据。方法选择5个不同土壤类型的县市,在每个县市分别采集土壤样品15份、水样60份,收集成人尿样100份、孕妇尿样30份检测碘含量,比较不同县市土壤碘、水碘以及人群尿碘含量的差异,分析土壤碘、水碘与人群尿碘含量的相关性。结果各县市土壤碘含量中位数在1.11~2.06 mg/kg之间,水碘含量中位数在3.24~10.84μg/L之间,成人尿碘含量中位数在193.22~346.68μg/L之间,孕妇尿碘含量中位数在170.98~319.94μg/L之间。土壤碘含量与水碘含量无相关性,与人群尿碘含量无相关性;水碘含量与成人尿碘含量存在相关性(R=0.621,P=0.001),与孕妇尿碘含量无相关性。结论不同土壤类型地区人群碘营养状况不同,不同地区食盐加碘浓度可适当校正。
Objective To analyze the relationship between environmental iodine content and iodine nutrition in different soil types in Jiangxi Province, and provide the basis for the adjustment of iodine concentration in different regions and scientific iodization. Methods Five counties with different soil types were selected. Soil samples were collected from 15 counties and 60 counties in each county. 100 samples of adult urine samples and 30 samples of urine samples from pregnant women were collected to determine iodine content. , Water iodine and urine iodine content of the population differences in soil iodine, iodine and urine iodine content of the population correlation. Results The median iodine content of soil in counties and cities was between 1.11 and 2.06 mg / kg, the median of iodine in water was between 3.24 and 10.84 μg / L, and the median of iodine in adults was between 193.22 and 346.68 μg / L Between the median urinary iodine content of pregnant women in the 170.98 ~ 319.94μg / L between. Soil iodine content had no correlation with water iodine content, and had no correlation with urinary iodine content in the population. There was a correlation between water iodine content and urinary iodine content in adults (R = 0.621, P = 0.001), and no correlation with urinary iodine content in pregnant women. Conclusions The iodine nutrition status of different types of soil is different, and salt concentration in different areas can be properly corrected.