Chinese Academy of Preventive Medicine study confirmed peanut peanut oil press are squeezed out of the amount of zinc is 37 times salad , corn 32.6 -fold, 16 -fold rapeseed oil , soybean oil seven times . Although zinc many ways , but the fat is necessary for people's daily supplement , so eating peanut particularly suitable for public zinc. Nutrition experts also found in peanut three kinds of beneficial health components cardiovascular : Resveratrol , oil equipment monounsaturated fatty acids and β- sitosterol . Experiments show that these types of substances are cancer chemopreventive agent class of diseases , but also reduce platelet aggregation, prevention and treatment of atherosclerosis and chemopreventive agent for cardiovascular and cerebrovascular diseases , and is ideal for the elderly one of edible oils and fats . Peanut oil contains a variety of high-quality anti-aging ingredient , has the effect of delaying the aging brain function . Per 100 grams of peanut oil contains about 0.1 grams of water , energy ( energy supplement products, energy supplemental information ) is 3763.9 kJ, 99 g fat , 0.6 g carbohydrates , vitamins ( vitamins , vitamin info ) 7.64-58.7 mg, otherwise varying amounts of calcium ( calcium products , calcium supplements information ) , phosphorus, iron ( iron products, iron information ) , zinc ( zinc products, zinc information ) and other substances. The fatty acid composition of peanut oil beneficial to humans , machine for pellets more than 80% unsaturated fatty acids, oleic acid content of 412% , accounting for 376% of linoleic acid . Palmitic acid , stearic acid and other unsaturated fatty acids , and peanuts , as well as by the alcohol, lecithin, choline , etc. accounted for 19.9%. Peanut oil is easily absorbed , with the degradation of cholesterol that protects the vessel wall to prevent thrombosis, thus helping to prevent atherosclerosis and coronary heart disease in the elderly is one of the ideal edible oils and fats . Using peanut oil press can only squeeze peanut oil but can also delay the exercise also has the role of brain function decline .