Fortification is the purposeful addition of vitamins and minerals to foods during their industrial processing, as a way to improve the nutrition and health of populations who consume these foods. Twelve countries have mandatory maize (Zea mays subsp. Mays) flour or meal fortification. The World Health Organization (WHO) is updating evidence-informed guidelines for the fortification of staple foods in public health, including the fortification of maize flour and corn meal with iron and other micronutrients. Although there is limited experience with fortification of maize, mass fortification of maize flour with at least iron has been practiced for many years in several countries in the Americas and Africa: Brazil, Costa Rica, El Salvador, Kenya, Mexico, Nigeria, Rwanda, South Africa, Tanzania, Uganda, the United States, and Venezuela. The WHO, in collaboration with the Sackler Institute for Nutrition Science and the Flour Fortification Initiative (FFI), convened a consultation on technical considerations for fortification of maize flour and corn meal in public health in New York, New York on April 8?9, 2013 to provide input into the guideline-development process and to discuss technical considerations of the fortification processes for maize flour and corn meal.

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Carelia Juarez

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