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  • Title: Micronutrient deficiencies. Reports from the field -- Africa.
    Author: Boulet M.
    Journal: Glob Impacts; 1997; ():13. PubMed ID: 12290327.
    Abstract:
    Table salt can now be fortified with iodine and iron without interaction and without loss of potency. According to Levente Diosady, professor of Food Engineering at the University of Toronto, the amounts of the two micronutrients available to the human body have been significantly reduced when the two interacted. In the new technology, the iodine is covered with a dextrin (a water soluble starch) capsule that serves as a physical barrier to the iron. Micronutrient Initiative (an international secretariat based at IDRC that works to eliminate health problems resulting from iron, iodine, and vitamin A deficiencies) and IDRC supported the development of the technology. The efficiency of absorption of the two micronutrients in the new double fortified salt in the human body is being tested at the Hospital for Sick Children in Toronto. Later testing will be conducted by University of Ghana scientists in IDRC-funded trials that will focus on women and their families in areas of Ghana where these deficiencies are endemic. Iodine is part of thyroid hormone, which contributes to brain development in the fetus and regulates human metabolism; iodine deficiency is the most frequent cause of preventable mental retardation. Related disorders include lethargy, physical disabilities, goiter, stillbirth, and neonatal death. Iron deficiency, the most common nutritional problem in the world (particularly among women, infants, and children), is associated with anemia, fatigue, learning problems, pregnancy complications, premature births, and maternal mortality. The two deficiencies together affect more than one-third of the world's population. Approximately 1.6 billion people, in more than 100 countries, live in areas where iodine is not available in sufficient amounts; those most at risk include about one-third of China's population. It is also a severe problem in the Himalayas, the Andes, India, and West Africa.
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