The amount of MUFA and PUFA gradually decreased during refrigeration of cooked chicken meat as a likely consequence of the development of oxidative reactions. Results obtained in the present study suggest that the oxidative degradation of PUFA mainly happened after 96 h of refrigeration probably due to the gradual degradation of endogenous antioxidants and the release of iron from the heme molecule, indicating a close relationship between the lipid oxidation and the refrigeration period.