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Dynamic changes of (A) DPPH radical scavenging activity and (B) FRAP of fresh walnut male flower stored for 14 days at 4°C and 25°C. Data are shown as mean ± standard deviation (n =3). * The lowercase letters near the bar indicate statistically different mean among storage days at p < 0.05. DPPH =1,1-diphenyl-2-picrylhydrazyl; FRAP =ferric reducing ability of plasma.
