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Open Access Fast and reliable salt iodine measurement: Evaluation of the WYD Iodine Checker in comparison with iodometric titration

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Iodine deficiency persists as the leading cause of preventable brain damage and reduced intellectual capacity in the world. The most effective method for the elimination of iodine deficiency is the consumption of adequately iodized salt. Ensuring that a population receives adequately iodized salt demands careful monitoring of the salt iodine content. We evaluated the WYD Iodine Checker, a hand-held instrument that quantitatively measures the salt iodine content on the basis of a colorimetric method, and compared its performance with iodometric titration. Performance testing results indicated that the WYD Iodine Checker is a highly precise, accurate, and sensitive tool for measuring salt iodine content. It is a user-friendly instrument that is based on a simple methodology and a straightforward salt sample preparation and testing procedure. We recommend further testing to examine the field performance of the WYD Iodine Checker when measuring iodate salt samples.


Document Type: Research Article

Publication date: June 1, 2004

More about this publication?
  • Established in 1978, the Food and Nutrition Bulletin (FNB) is a peer-reviewed journal published quarterly by the Nevin Scrimshaw International Nutrition Foundation.

    The focus of the journal is to highlight original scientific articles on nutrition research, policy analyses, and state-of-the-art summaries relating to multidisciplinary efforts to alleviate the problems of hunger and malnutrition in the developing world.

    Food and Nutrition Bulletin's 2012 Impact Factor: 2.106

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