Alleviation of vitamin A deficiency with palm fruit and its products.

摘要: The decreased dietary diversity wrought from the adoption of settled, agrarian system to replace huntergather and pastoralist lifestyles assured a stable supply protein calories grains tubers while creating vulnerability for humans suffer micronutrient deficiencies. vitamin A animal tissue is more bioavailable than provitamin in matrix green plants. Provitamin carotenes achieve efficacy nearly equivalent that preformed only context an oily matrix. homeostatic regulation carotene bioconversion by intestine, moreover, prevents any excess toxic accumulation sources. safety palm fruit (genus Elaeis) as source A, addition its cultural recognition food, are consistent with gentler concept "alleviation" public health problem hypovitaminosis then aggressive, medical model "eradication" greater potential risk collateral damage. derivatives new opportunities creative contribution sustained use formats supplementation (prophylactic children women, lactation), food-to-food fortification (in bakery goods snacks, condiments), even food diversification strategies. Experience India, South Africa, Guatemala begins define delineate limitations contribute alleviation endemic deficiency.