Table 3 Effect of culturing temperature on feather substrate degradation
From: New keratinolytic bacteria in valorization of chicken feather waste
Temperature | ||||
|---|---|---|---|---|
25 °C | 30 °C | 35 °C | 40 °C | |
Proteins (µg/mL) | 179 ± 2.8 | 143 ± 8.5 | 92 ± 7.1 | 140.5 ± 7.8 |
Amino groups (mM) | 44.4 ± 3.5 | 16.1 ± 4.4 | 14.9 ± 3.9 | 30.1 ± 0.6 |
Proteolytic activity (U) | 0.072 ± 0.014 | 0.070 ± 0.014 | 0.071 ± 0.005 | 0.047 ± 0.004 |
Substrate loss (% w/v) | 51.9 ± 1.0 | 42.5 ± 1.6 | 36.4 ± 2.3 | 22.0 ± 0.1 |