and dairy foods are higher in saturated fats than fats in chicken and fish. Fats high in saturated fatty acids are usually solid or semisolid at room temperature. Most vegetable fats, including soybean, corn, cottonseed, and olive oils, have a higher proportion of unsaturated fatty acids. Fats high i unsaturated fatty acids are liquids, or oils, at room temperature. an6 Processing can change the characteristics of fats. By adding missing hydrogen to fatty acids, hydrogenation makes fats more saturated and in texture. For example, margarine is hydrogenated vegetable oil As a general ruie, firmer fats are more saturated