A kilo of peanuts can squeeze four ounces of peanut oil, with a shell content of 33%, a pure kernel rate of about 63%-71%,an oil yield of 27%-43% and a cake yield of 65%-70%. Of course, the oil yield is also related to the quality of peanuts and the quality of machines.

Peanut oil is light yellow and transparent, with clear color, fragrant smell and delicious taste, and it is a kind of edible oil that is easy to digest. Peanut oil contains more than 80% unsaturated fatty acids (including oleic acid 4 1.2% and linoleic acid 37.6%). In addition, it also contains saturated fatty acids such as palmitic acid, stearic acid and arachidic acid 19.9%. The fatty acid composition of peanut oil is relatively good, which is easy for human body to digest and absorb. According to foreign data, eating peanut oil can decompose cholesterol in human body into bile acids and excrete them, thus reducing the content of cholesterol in plasma. In addition, peanut oil also contains sterols, wheat germ phenol, phospholipids, vitamin E, choline and other substances beneficial to the human body.