Maize flour is to harvested from the cub of the popular maize or corn plant, known botanically as Zea mays. Cornmeal is a coarse form popularly used in making polenta in northern Italy and indeed worldwide - in fact, polenta is more or less very identical to some meals made from corn flour in Africa. Are you wheat intolerant? Maize flour is the answer. Maize flour can be used exactly as wheat flour in making bread, confectioneries, breakfast meals and more. Maize flour, also called corn flour is highly rich in protein, dietary fibre and very low in fat.