Ferric reducing antioxidant power assay was performed according to the method of Benzie and Strain (1996). FRAP solutions contained 25 ml acetate buffer (300 mM acetate buffer, pH 3.6),2.5 ml (10 mM of TPTZ solution), 2.5 ml (20 mM of FeCl3solution).Ten millilitre of aqueous methanol (50%) was added to PJ (1 ml),sonicated for 10 min in cold water and centrifuged for 5 min at 4◦C. PJ (150 l) was mixed with 2850 l FRAP and the absorbancewas read at 593 nm after 30 min incubation using a UV–visiblespectrophotometer. Trolox (100–1000 M) was used for calibration curve, and results were expressed as trolox (M) equivalentsper millilitre pomegranate juice (M TE/ml PJ).