Improving the Accuracy of Iodization of the Dietary Salt Supplies of Populations.
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2015
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Abstract
Objectives: The mandate of this working group was to assess the importance of salt iodine quality
in successful IDD prevention and control. Examine the role of salt iodine content in quality
assurance, inspection, surveillance, and coalition oversight of IDD programs.
Methods: Scientific literature, technical reports and a range of data and information sources were
reviewed to determine whether accurate salt iodization was making a critical contribution
toward safe and successful IDD programs.
Results: Evidence and examples were collected on salt iodine data in quality assurance of
iodization by salt industry, assessments of iodized salt quality by inspectors in factories and
markets, surveillance of USI strategies and dietary iodine supplies by program managers, and in
provision of coalition oversight by high-level officials.
Conclusions: Because salt iodization is a supply-based strategy, reliable accuracy at the source
is most critical. It is therefore vital that each salt factory should adopt a quality management
system, with standard operating procedures at least for the manufacturing and packaging of
iodized salt. Titration is preferred but other quantitative methods with e.g. the WYD Checker, i-
Reader or Bioanalyt can also yield accurate data. Improved accuracy down the supply chain is
desirable, especially in surveillance, but commonly points to the need for ensured accuracy at the
source when quality failures are discovered. The need remains for an agreed approach to obtain
reliable data of the use of iodized salt in the food manufacturing industry.
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Jooste Pieter, Haar Frits Van Der. Improving the Accuracy of Iodization of the Dietary Salt Supplies of Populations. European Journal of Nutrition & Food Safety. 2015 Special issue; 5(5): 688.