Fig. 3.From: Purification, structural analysis, and stability of antioxidant peptides from purple wheat branIon exchange chromatogram of F4 on a DEAE-Sepharose Fast Flow column (a) and superoxide radical scavenging activity and TEAC of various fractions at peptide concentration of 5 mg/mL (b). Means (n = 3) followed by the same letter were not significantly different according to Duncan’s multiple range test at P < 0.05 levelBack to article page