Peanut oil is a kind of edible oil which is easy to digest because of its light yellow and transparent color, fragrant smell and delicious taste. Peanut oil contains more than 80% unsaturated fatty acids (including 41.2% oleic acid and 37.6% linoleic acid). In addition, it also contains 19.9% saturated fatty acids such as palmitic acid, stearic acid and arachidic acid. Peanut oil also contains sterol, wheat germ phenol, phospholipid, vitamin E, choline, etc.