in recent years the use of toxic and carcinogenic synthetic antioxidants are recommended to get limited. therefore, the use of natural resource materials as an alternative substitution for synthetic compounds is indispensable. throughout the present study, antioxidation properties of fennel essential oil, at different concentrations containing 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7 and 0.8 mg/ml in ...