Abstract:Polyphenol was extracted from camphor leaf by using 70% alcohol and its antioxidant properties on oil and lard were studied. Results showed that camphor polyphenols extract can effectively delay oxidation of oil and lard, and the antioxdant activity increased with the amount of camphor polyphenols increasing. But polyphenols from camphor Leaf was lower than those of Vc, VE, citric acid and PG.