Contains. Shortening refers to refined animal and vegetable fats and oils, hydrogenated oils or mixtures of the above fats and oils, solid fats and oils by rapid cooling, kneading, or not by rapid cooling, kneading, solid or fluid state of the fat and oil products. Shortening is generally not intended for direct consumption, but is used in the processing of pastries, breads or fried foods. Generally, shortenings can be categorized into three types, vegetable shortenings, animal shortenings, and animal-vegetable hybrid shortenings. Vegetable shortening is composed of varying degrees of hydrogenated vegetable oils, generally does not contain lard; part of the animal shortening is formed with lard after rapid cooling, kneading, which contains lard components, is formed by the further processing of lard; animal and vegetable mixed shortening is composed of animal fats plus vegetable oils or lightly hydrogenated vegetable oils, which may also contain lard.