Table 3.
Thermal stability of purified protease of P. fluorescens BJ-10
| Temperature (°C) | Time (min) | Enzyme activity (U) | Residual activity (%) |
|---|---|---|---|
| Control | 0 | 47.0 | 100.0 ± 0.98a |
| 10 | 44.4 | 97.5 ± 0.86b | |
| 80 | 20 | 45.2 | 96.1 ± 1.12e |
| 30 | 45.7 | 97.2 ± 0.83c | |
| 1 | 45.0 | 95.7 ± 0.94f | |
| 90 | 2 | 44.3 | 94.3 ± 0.78i |
| 3 | 45.3 | 96.4 ± 0.91d | |
| 1 | 44.0 | 93.6 ± 1.14j | |
| 100 | 2 | 44.6 | 94.8 ± 0.88g |
| 3 | 44.5 | 94.6 ± 0.74h |
(n = 3); Results are mean ± SD of independent determinations. Different letters in the superscript in same column are significantly different (p < 0.05)