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Fig. 3 | Food Production, Processing and Nutrition

Fig. 3

From: Potent antioxidant peptides derived from honey major protein enhance tolerance of eukaryotic cells toward oxidative stress

Fig. 3

Size-exclusion chromatography of the peptic hydrolysate HP-p2. Peptides elution from Sephacryl S-100 column was monitored at 280 nm (a). Superoxide-scavenging activity of the separated peptide fractions, labeled P1-P5, was kinetically measured in xanthine/XOD/NBT reduction assay performed at 37 °C for 20 min (b). Ctrl, reaction in the absence of protein. The ordinate represents the absorbance change versus time. Symbols are: Ctrl (solid circle), HP-p2 (open square), P1 (solid triangle), P2 (asterisk), P3 (open circle), P4 (solid square), P5 (solid diamond)

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