Table 2. Central Composite Design of Factors in Coded Levels With Phytase Activity as Response.
Run | Factor A, pH | Factor B, Methanol, % | Factor C, Temperature, °C | Phytase Activity, U/mL | |
---|---|---|---|---|---|
Experimental | Predicted | ||||
1 | -1 | -1 | -1 | 127.7 | 132.553 |
2 | 1 | -1 | -1 | 113.1 | 116.923 |
3 | -1 | 1 | -1 | 65.3 | 60.013 |
4 | 1 | 1 | -1 | 57.9 | 50.833 |
5 | -1 | -1 | 1 | 98.3 | 102.293 |
6 | 1 | -1 | 1 | 87.1 | 89.313 |
7 | -1 | 1 | 1 | 50.2 | 43.303 |
8 | 1 | 1 | 1 | 44.7 | 36.773 |
9 | -1 | 0 | 0 | 146.4 | 149.736 |
10 | 1 | 0 | 0 | 129.7 | 138.656 |
11 | 0 | -1 | 0 | 235.1 | 220.216 |
12 | 0 | 1 | 0 | 130.5 | 157.676 |
13 | 0 | 0 | -1 | 117.3 | 120.976 |
14 | 0 | 0 | 1 | 90.2 | 98.816 |
5 | 0 | 0 | 0 | 195.5 | 182.019 |
16 | 0 | 0 | 0 | 191.4 | 182.019 |
17 | 0 | 0 | 0 | 184.9 | 182.019 |
18 | 0 | 0 | 0 | 170.6 | 182.019 |
19 | 0 | 0 | 0 | 193.1 | 182.019 |
20 | 0 | 0 | 0 | 181.2 | 182.019 |