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Table 7 Anti-oxidative properties of feather hydrolysates prior to and after treatments

From: New keratinolytic bacteria in valorization of chicken feather waste

  ABTS (μmol/mL) DPPH (μmol/mL) FRAP (mmol/mL)
Raw hydrolysate supernatant 5.34 ± 1.29 0.18 ± 0.08 0.60 ± 0.04
After ultrasound treatment 5.92 ± 0.96 0.27 ± 0.07 0.73 ± 0.04
After autoclaving 7.03 ± 1.34 0.24 ± 0.05 0.79 ± 0.05