The malnutrition of minerals (Fe, Zn) and vitamin A are major food-related primary health problem among populations of the developing world including India where there is a heavy dependence on cereal-based diets and limited access to fruits and vegetables. One such approach to combat the issue of micronutrient malnutrition is through biofortification, a process of breeding nutrients into food crops which provides a comparatively cost-effective, sustainable, and long-term means of delivering more micronutrients to rural populations in developing countries. Recently, there have been several reports on the development of transgenic crops to enhance levels provitamin A content in crops like tomato, potato, cassava, sweet potato, beans and other vegetable crops.
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