Uganda, April 13 -- Animal-based food though good sources of vitamin A are expensive for poor rural people. This is the reason scientists came up with the idea that common and staple foods be biofortified with provitamin A to offer a convenient and accessible source of the vitamin.

Bio fortification is the process where nutrients are added in a plant when it is growing in order to improve the nutritional quality of food crops. This is done through conventional breeding methods and crops of the same species are used as opposed to genetic modification technology where foreign genes are transferred into the plant.

It is also very different from fortification which happens during the processing of foods industrially. The plant grows and mat...