Wikipedia Article About Plantain flour on Wikipedia Plantains are also dried and ground into flour; banana meal forms an important foodstuff, with the following constituents: water 10.62, albuminoids 3.55, fat 1.15, carbohydrates 81.67 (more than 2/3 starch), fibre 1.15, phosphates 0.26, other salts, 1.60. The sugar is chiefly sucrose.