01371nam a2200217 a 450000100080000000500110000800800410001910000210006024501350008126000890021652006810030565000180098665000130100465000130101765000220103070000230105270000220107570000170109770000130111470000260112716541462023-10-10       2007    bl uuuu     u00u1 u    #d1 aFUKUDA, W. M. G.  aEnhancement of carotenoids content in cassava roots to alleviate vitamin A deficiency in human populations.h[electronic resource]  aIn: CONGRESSO BRASILEIRO DE MELHORAMENTO DE PLANTAS, 4., 2007, São Lourenço.c2007  aVitamin A dificiency is one of the most serious nutritional problems affecting world population, causing serious health problems such as night blindness in children. This problem also affect brazilians, mainly those living in rural areas and specially in semi-arid regions. Current efforts to reduce the damages caused by vitamin A deficiency focus on vitamin supplementation, generating a yearly cost of many million dollars. A complementary strategy was launched with the HarvestPlus Program (Biofortification Challenge Program) that seeks to reduce micronutrient malnutrition by breeding nutrient-dense staple crops, including pro-vitamin A carotenoids (HarvestPlus, 2006).  aAlimentação  aAlimento  aMandioca  aNutrição Humana1 aOLIVEIRA, L. A. de1 aPEREIRA, M. E. C.1 aCEBALLOS, H.1 aNUTT, M.1 aCARVALHO, J. L. V. de