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CCD-RSM used for medium optimization for A. melanogenum PBUAP46 xylanase production
| Run | Code level | Actual level | Xylanase activity (U ml−1) | ||
|---|---|---|---|---|---|
| X 1 | X 2 | Rice straw (%) | NaNO3 (%) | ||
| 1 | +1 | +1 | 5.00 | 1.20 | 4.09 |
| 2 | +1.414 | 0 | 5.41 | 0.80 | 4.25 |
| 3 | +1 | −1 | 5.00 | 0.40 | 3.85 |
| 4 | 0 | −1.414 | 4.00 | 0.23 | 4.20 |
| 5 | −1 | −1 | 3.00 | 0.40 | 4.25 |
| 6 | −1.414 | 0 | 2.59 | 0.80 | 4.44 |
| 7 | −1 | +1 | 3.00 | 1.20 | 3.81 |
| 8 | 0 | +1.414 | 4.00 | 1.37 | 3.79 |
| 9 | 0 | 0 | 4.00 | 0.80 | 4.95 |
| 10 | 0 | 0 | 4.00 | 0.80 | 4.81 |
| 11 | 0 | 0 | 4.00 | 0.80 | 4.96 |
| 12 | 0 | 0 | 4.00 | 0.80 | 4.77 |
