More often than not, however, vitamin A deficiency in the pre- school children and pregnant women the third world countries is most likely attributable to diets deficient in vitamin A and/ or B- carotene orange-fleshed sweet potato (oFSP) is an excellent source of the provitamin A p-carotene containing up to 27698 per g 125 g serving of boiled oFSP can supply the daily requirement vitamin A for preschool children of and protect them from night in In addition to being rich B-carotene, OFSP contains significant amounts of protein, fat, carbohydrate, dietary fibre, other micronutrients and some phy- orange-fleshed sweet potato is staple Therefore, ply of vitamin A and energy to a food that can provide a sup- countries people in resource-poor developing such as Bangladesh ary Bioavailability of B-carotene depends on multiple tat is necessary for factors, Diet- absorption and conversion of The retention and bioaccessibility of B-carotene determine its bioavailability It has been documented that maceration and heat pro- cessing improve B-carotene bioaccessibility from orange-fleshed sweet potatoes, which is probably due to rupture of microstructure of plant tissue and subsequent release of nutrients from the com-