Table 2.
Results obtained for 23 factorial design with parameters: values of pH, temperature, and agitation.
| Run order | Coded levels | Xylanase FD1 (U/mL) | Xylanase FD2 (U/mL) | ||
|---|---|---|---|---|---|
| X 1 | X 2 | X 3 | |||
| 1 | −1 | −1 | −1 | 8.965 | 8.423 |
| 2 | +1 | −1 | −1 | 8.525 | 8.730 |
| 3 | −1 | +1 | −1 | 9.955 | 11.243 |
| 4 | +1 | +1 | −1 | 10.603 | 8.512 |
| 5 | −1 | −1 | +1 | 8.979 | 5.737 |
| 6 | +1 | −1 | +1 | 8.378 | 3.004 |
| 7 | −1 | +1 | +1 | 0.996 | 0.806 |
| 8 | +1 | +1 | +1 | 4.783 | 0.674 |
| 9 | 0 | 0 | 0 | 10.811 | 13.982 |
| 10 | 0 | 0 | 0 | 13.880 | 11.506 |
| 11 | 0 | 0 | 0 | 11.709 | 10.915 |
| 12 | 0 | 0 | −1.68 | 3.864 | 3.976 |
| 13 | 0 | 0 | +1.68 | 1.407 | 1.358 |
| 14 | 0 | −1.68 | 0 | 8.571 | 0.705 |
| 15 | 0 | +1.68 | 0 | 8.131 | 1.016 |
| 16 | −1.68 | 0 | 0 | 7.731 | 9.480 |
| 17 | +1.68 | 0 | 0 | 8.447 | 8.349 |