It is an idea edible oil for people who is short of Omega-3 type unsaturated fatty acid. Punicic acid also has strong ability of oxidation resistance. It can effectively eliminate the inflammation and prevent the damage effect of oxygen-derived free radicals to human body. Moreover, the oil can prevent desease of atherosclerosis and slow down the progress of cancerization. Therefore, the oil is named as "cancer extinguisher". Currently, the oil has wide application prospects in medicines and health protection, foods and cosmetics industry.