Data for AA50 is expressed as mean ± standard deviation (n = 4). Statistical analyzes
were performed, using independent samples t-test, for multiple comparisons different
alphabetical superscripts between rows represent significant differences
between mean AA50 (P < 0.01). AA50 is defined as the concentration of FPP (in mg/
ml) that attained an antioxidant activity of 50%. Abbreviations: OH: hydroxyl
radical; ABTS: 2,2’-azino-bis (3-ethybenzthiazoline-6-sulfonic acid) radical; DPPH:
2,2-diphenyl-1-picrylhydrazyl radical; APPH: 2,20-azobis(2-amidinopropane)
hydrochloride radical; O2
: superoxide radical; NO: nitric oxide.