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 |