长江下游丘陵地区环境碘来源调查

Survey of Environmental Iodine Sources in Hills Area of Lower Reaches of the Changjiang River

目的 调查长江下游丘陵地区环境碘来源。方法 对0-岁、6-岁、12-岁及成人、妊娠、哺乳妇女在同一时点同时测定其每天食盐食用量、食盐碘含量和尿碘排泄量。结果 0-岁、6-岁、12-岁及成人、妊娠、哺乳妇女环境碘来源分别为79.4μg/d，123．5μg/d,283．5μg/d和151．0μg/d。其平均水平为117．0μg/d。结论 环境碘来源是调整食盐加碘量的基础。

Objective To survey the environmental iodine sources in hills area of lower reaches of the Changjiang River. Methods Daily intake of salt, iodine concentration in salt and urinary iodine excretion were determined simultaneously in children from 0 to 6 years old, 6 to 12 years old, adults, pregnant and lactating women. Results The environmental iodine sources were 79.4μg/d, 123.51μg/d, 283.5μg/d and 151.0μg/d in children aged from 0 to 6, 6 to 12, adults, pregnant and lactating women, respectively. The average level was 117.0μg/d. Conclusions The environmental iodine sources is the base of adjusting the supplemental amount of iodine.