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Evaluation of the accessible level of iodine in marketed iodised salt in Iran: A comparison with standard recommended values

Background: Iodine is one of the essential micronutrients for synthesise and secrete adequate amounts of thyroid gland hormones. Its deficiency is the most important threatening causes for human health. The aim of this study was to evaluate iodine concentration in marketed edible salt samples in Qom city and to compare with existing standards and offering solutions necessary to fix the probably problems. Materials and Methods: A cross-sectional, descriptive study was carried out on 60 samples of 20 brands of marketed edible salt in Qom during 2017. Iodine concentration was evaluated by the British Pharmacopoeia titration method. Results: According to the national standard of Iran during this study, iodine concentration in 51.67% of salt samples was in acceptable limits and 48.33% of samples were out of acceptable ranges. None of the tested samples had iodine content more than the standard limit. Conclusions: To improve salt fortification status and removing iodine deficiency in society, the following actions should be considered: enforcing producers to follow national and international standards, continuous monitoring the producers, necessary legal actions against offending manufacturers and appropriate measures by health ministry and relevant authorities.