Market Overview Soy protein is a soybean protein that has been separated. It is made from soybeans that have been dehulled and defatted. Soy flour, focuses, and disconnects are three types of high protein items made from dehulled and defatted soybeans. Most of the soy protein is used in a variety of foods, including meat substitutes, infant formula, frozen desserts, salad dressing, and many...