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目的监测2010年四川省居民户碘盐食用情况,确保居民食用合格碘盐,有效防治碘缺乏病。方法采用随机抽样监测和重点抽样监测,随机抽样监测在全省每县采用分层随机抽样法抽取288份或300份盐样;重点抽样监测在38个重点监测县每县抽取300份盐样。随机抽样监测样品主要采用《制盐工业通用试验方法碘离子的测定》GB/T13025.7-1999中仲裁法进行定量检测,重点抽样监测样品采用自制碘盐定性检测试剂进行检测。结果全省随机抽样监测应监测食盐52 488份,实际监测52 539份,其中合格碘盐51 284份,不合格碘盐955份,非碘盐300份,合格碘盐食用率97.9%,碘盐覆盖率99.6%,碘盐合格率98.3%;重点抽样监测应监测食盐11 400份,实际监测11 400份,其中非碘盐86份,碘盐覆盖率99.25%。结论 2010年四川省碘盐覆盖率、合格碘盐食用率和碘盐合格率均大于90%,碘盐指标达到消除碘缺乏病标准。
Objective To monitor the consumption of iodized salt by households in Sichuan Province in 2010 to ensure that residents have qualified iodized salt for effective prevention and treatment of iodine deficiency disorders. Methods Random sampling monitoring and key sampling monitoring were used. Random sampling monitoring was adopted in each county in the province to stratify stratified random sampling method to extract 288 or 300 salt samples; key sampling monitoring was conducted in 300 sampling counties in 38 key monitoring counties. Randomly sampled monitoring samples are mainly used “quantitative determination of iodide ions in the common salt industry” GB / T13025.7-1999 in the arbitration method for quantitative detection, the key sampling monitoring samples using homemade iodized salt qualitative detection reagents for testing. Results In the whole province, 52 488 samples of salt were monitored and 52 539 samples were actually monitored, among which 51 284 were qualified iodized salt, 955 as unqualified iodized salt, 300 as non-iodized salt, 97.9% as qualified iodized salt, iodized salt Coverage rate of 99.6%, iodized salt pass rate of 98.3%; key sampling monitoring should monitor 11 400 salt, the actual monitoring of 11 400, of which 86 non-iodized salt, iodized salt coverage of 99.25%. Conclusion In 2010, the iodized salt coverage rate, the eligible iodized salt consumption rate and the iodized salt pass rate in Sichuan Province were all over 90%. The iodized salt index reached the standard of eliminating iodine deficiency deficiency.