Katherine Healy

Impact of Provitamin a Biofortified Maize Flour Consumption on Dark Adaptation in Zambian Children

Amanda Palmer, Alain Labrique, Katherine Healy, Maxwell Barffour, Ward Siamusantu, Justin Chileshe & Keith P. West, Jr. · European Journal of Nutrition & Food Safety · 2015

Objectives: Approximately one third of children in developing countries are deficient in vitamin A (VA). Of these, 5.2 million are affected by night blindness—a severe impairment in dark adaptation. ProVA biofortified “orange” maize has been introduced in Africa as a potential in...