Table 3 Box-Behnken design for HA production
Factor | A Corn Steep Liquor (g/L) | B Initial pH | C Temperature (°C) | Response HA (mg/L) | ||
|---|---|---|---|---|---|---|
Std | Run | Pattern | ||||
8 | 1 |  + 0 +  | 15.0 | 6.5 | 26 | 133.67 |
9 | 2 | 0 − − | 11.5 | 5.0 | 20 | 177.72 |
15 | 3 | 0 0 0 | 11.5 | 6.5 | 23 | 169.99 |
14 | 4 | 0 0 0 | 11.5 | 6.5 | 23 | 171.62 |
10 | 5 | 0 + − | 11.5 | 8.0 | 20 | 99.52 |
5 | 6 | − 0 − | 8.0 | 6.5 | 20 | 101.26 |
1 | 7 | − − 0 | 8.0 | 5.0 | 23 | 104.05 |
3 | 8 | − + 0 | 8.0 | 8.0 | 23 | 72.81 |
11 | 9 | 0 − +  | 11.5 | 5.0 | 26 | 106.53 |
13 | 10 | 0 0 0 | 11.5 | 6.5 | 23 | 171.10 |
7 | 11 | − 0 +  | 8.0 | 6.5 | 26 | 96.23 |
2 | 12 |  + − 0 | 15.0 | 5.0 | 23 | 194.32 |
12 | 13 | 0 +  +  | 11.5 | 8.0 | 26 | 108.52 |
6 | 14 |  + 0 − | 15.0 | 6.5 | 20 | 166.50 |
4 | 15 |  +  + 0 | 15.0 | 8.0 | 23 | 107.26 |