The risk assessment of the national food security points to the salt to add the iodine for the first time

The risk assessment of the national food security points to the salt to add the iodine for the first time
The risk assessment of the national food security points to the salt to add the iodine for the first time
Staff reporter Meng QingPu Ministry of Public Health released report of " risk assessment that the Chinese salt added iodine and resident's iodine nutritional status " a few days ago. It is reported, this is national food security Committee of Experts of risk assessment after being established last December, make the assessment on potential risk of the great food security question for the first time. This copy run to 54 pages and more than 20,000 report of word prove with the full and accurate data: Appraise from crowd's urine iodine level and iodine intaking amount two of meal respect, our country, besides iodine area of high water, the iodine nutritional status of the residents of most areas is in the suitable and safe level, no exception in the coastal area; It doesn't cause the iodine of the residents of our country to take in excessively that the salt adds the iodine; The scarce health risk of iodine of resident of our country is greater than the excessive health risk of iodine. Continue implementing the salt and adding iodine tactics, it is very essential for improving residents' iodine nutritional status of the majority of area including coastal area. A few people face the excessive health risk of iodine and is entrusted by Ministry of Public Health, the national food security Committee of Experts of risk assessment follows the evaluation criterion of World Health Organization,etc., have assessed the potential risk of the iodine nutritional status of residents of different areas of our country systematically. It's time, assess until national iodine deficiency monitor and iodine lack high to endanger district to monitor from 1995 to 2009, Chinese resident's nutrition and health status were investigated in 2002, the whole country 12 the intersection of province and total meal study the intersection of iodine and intaking amount, investigate with 2009 the intersection of iodine and nutritional status and the intersection of meal and the intersection of intaking amount and the intersection of person who investigate and data, resident of coastal area, 2007. World Health Organization proposes, the ordinary crowd's iodine nutrition level is suitable for the standard, the iodine median of the urine is among 100 micrograms / liter -200 micrograms / liter, the pregnant woman's iodine athrepsia standard of group is smaller than 150 micrograms / liter. Of our country in 2009 high to endanger area, monitor result, reveal iodine, 8 year old and 10 year old urine of children iodine median 192.3 micrograms / liter. Appraise with the above-mentioned standard, the iodine nutritional status of this kind of regional crowd is suitable and safe generally. The investigation of coastal area will reveal in 2009, adults of coastal area such as Shanghai, Liaoning, Zhejiang, Fujian,etc., wet nurse and children's urine iodine medians are among 100 micrograms / liter -250 micrograms / liter, prove these regional crowd's iodine nutritional status is suitable and safe too generally; But Shanghai, Zhejiang coastal cities and coastal rural pregnant woman's urine iodine median of Fujian are lower than 150 micrograms / liter. High the intersection of water and the intersection of iodine and area monitor result, show 2005, of our country high the intersection of water and the intersection of iodine and the intersection of area and urine iodine median of crowd greater than 300 micrograms / liter, prove in totally inactive to add iodine in front of the salt, the regional iodine of crowd nutrition excessive. By the look of frequency distrlbution of the urine iodine level, the investigation of the coastal area show in 2009, though the iodine nutritional status of the crowd of coastal area is suitable and safe overall, but the individual proportion on the low side of the urine iodine level is relatively high, merit attention. Especially pregnant woman, it is 46% that the urine iodine level is lower than the proportion of crowd of 150 micrograms / liter, are obviously higher than at least 500 micrograms / liter proportion (4%) of the urine iodine level ,Prove the iodine of pregnant woman in the coastal area lacks the risk relatively tallly, need to pay special concern. In the iodine area of high water, crowd whose level exceeds 300 micrograms / liter is up to 74% with iodine of urine, among them at least 1000 micrograms / liter proportion is 16.3%, in being at this part crowd,it exchange individual on sense and the patient of thyroid gland disease ago because iodine is excessive to take place what health damage is relatively risky. Different water iodine content causes different health risk assessment reports to point out, are lower than the area of 150 micrograms / liter in water iodine content, total meal research and national nutrition survey indicate, the average intaking amount of the resident meal iodine reaches and recommends the intaking amount. But individual analysis reveals, the intaking amount of iodine is less than the proportion of recommending quantity and obviously higher than the intaking amount to exceed the proportion of recommending quantity, prove in the area even eat, add the intersection of iodine and salt, iodine the intersection of intaking amount and enough risk still far greater than the iodine and take in the excessive risk. Higher than district of 150 micrograms / liter in ink iodine content, if eat and add iodized salt, the intaking amount of iodine of residents' intaking amount of average iodine and all individuals exceeds the giving a recommendation amount, and rise and increase with water iodine content. If eat, add iodized salt, average the intersection of iodine and intaking amount and all intaking amount of iodine of individual of resident can reach the giving a recommendation amount, and can lie between recommending amount and every day at most the proportion of crowd between the tolerating amount is up to 98%, the intaking amount of iodine exceeds the proportion tolerating quantity at most less than 2%, explain even eat and does not add the iodine salt, it is suitable for and taken in the range safely that intaking amount of this kind of regional resident's iodine is in too, if eat and increase the iodine and take in the excessive risk with iodized salt instead. It is that a basic scheme assessment report thinks that science enriches the iodine, because the iodine with different intensity exists in most areas in our country scarce, it adds iodized salt to be the regional important the intersection of meal and source of iodine, should think, add the intersection of health and benefit of iodine, far greater than salt, add possible health risk of iodine by salt. Our country implemented the whole people's salt to add the iodine since 1995, is lower than the area of 150 micrograms / liter in water iodine content, residents' iodine nutritional status is suitable overall, further analyze that indicates the scarce health risk of iodine is greater than the excessive risk of iodine, eat, add iodized salt especially, take place scarce risk of iodine very much high. In this kind of area, it is still very essential to continue implementing the salt and add iodine tactics. Higher than area of 150 microgram each in the intersection of water and the intersection of iodine and content, park, support, add iodized salt, may lower because excessive health risk that might lead to the fact of iodine. But in the area of a few water iodine with extremely tall content, even if suspend for adding iodized salt, perhaps there is larger proportion resident iodine that is taken in excessively, greater health risk exists, propose launching relevant research to this kind of area, take the effective measure which reduces the excessive risk of iodine.


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