The peptides WIR exhibited strong antioxidant activity, as shown in table 1. Table 1 Antioxidant activity of synthetic peptide
Peptide or Control
| Antioxidant activity
| Reducing power a
| Lipid peroxidation inhibition (%) b
| WIR
| 1.32 ± 0.08 B
| 79.8 ± 0.83 B
| Glutathion
| 0.91 ± 0.16 AC
| -
| Vitamin E
| - | 78.4 ± 1.71 AB
| A–C Means within the same column without a common letter differ significantly (P < 0.05) with Tukey’s test. a Absorbance at 700 nm for a peptide or a control tested at concentration of 5 mM. b The lipid peroxidation inhibition activity in a linoleic acid emulsion system for a peptide or a control at concentration of 0.5 mM or 0.1 mM, respectively.
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