Genetically modified soybean has been modified to tolerate herbicides, express Bt and produce healthier oils.Soybeans contain about 20% oil. In the most common method used to extract the oil, the soybeans are cracked, adjusted for moisture content, rolled into flakes and solvent-extracted with commercial hexane.soybeans are used in a variety of foods, such as salad dressings, infant formulas, breads, breakfast cereals, pasta and pet foods.Processed soy protein appears in foods mainly in three forms: soy flour, soy protein isolates and soy protein concentrates.