Investigation of Iodine in Salt,Water and Urine in Maoming

To analyze the iodine intake in dietary of residents Maoming city,and provide basis for iodine defieieney disorder prevention and control,iodine in drinking water,urinary iodine of 8～10 years old children,status of edible iodized salt in families with children were investigded.The results showed that 128 water samples were in 27 towns,iodine content was 1.25～195.8 μg/L,the water median iodine 13.5 μg/L.The median of iodine in urine of children aged 8～10 years old were 164 μg/L,salt iodine from families of children 0～51.76 mg/kg.Alluvial water iodine and jianjiang river between Salt iodine and urinary iodine relationship between the appearance of inconsistency.It conclusdes in non-iodine areas,iodized salt was an important factor for iodine nutrition,the concentration of salt iodine content in drinking water should be based on the different iodine in water.In areas water iodine 20 μg/L,salt iodine concentration of 20～30 mg/kg was appropriate;In areas water iodine between 20 and 150 μg/L,salt iodine concentration of 10～20 mg/kg was appropriate.Iodized salt in high iodine areas should be stopped and reduced iodine by changing water.