Table 5 Experimental design and results of the full factorial CCD for the production of β-mannanase
Run | Z 1 | Z 2 | Z 3 | β-Mannanase activity (U/g) |
|---|---|---|---|---|
1 | −1 | −1 | −1 | 511.9 |
2 | 1 | −1 | −1 | 503.1 |
3 | −1 | 1 | −1 | 510.5 |
4 | 1 | 1 | −1 | 514.9 |
5 | −1 | −1 | 1 | 504.6 |
6 | 1 | −1 | 1 | 474.2 |
7 | −1 | 1 | 1 | 517.2 |
8 | 1 | 1 | 1 | 486.6 |
9 | −1.682 | 0 | 0 | 490.5 |
10 | 1.682 | 0 | 0 | 479.3 |
11 | 0 | −1.682 | 0 | 544.7 |
12 | 0 | 1.682 | 0 | 547.9 |
13 | 0 | 0 | −1.682 | 517.0 |
14 | 0 | 0 | 1.682 | 465.9 |
15 | 0 | 0 | 0 | 540.1 |
16 | 0 | 0 | 0 | 589.6 |
17 | 0 | 0 | 0 | 567.8 |
18 | 0 | 0 | 0 | 566.5 |
19 | 0 | 0 | 0 | 549.9 |
20 | 0 | 0 | 0 | 562.1 |
21 | 0 | 0 | 0 | 556.3 |
22 | 0 | 0 | 0 | 587.5 |
23 | 0 | 0 | 0 | 569.2 |