Table 5 Box-Behnken design of experimental response of three nutrient variables (X1, glucose; X3, cheese Whey; X5, corn steep liquor) in terms of coded factor
Runs order | Nutrient variables | Response Dry cell mass (g/l) | ||
|---|---|---|---|---|
X1 | X 2 | X3 | ||
1 | 0 | −1 | 0 | 13.66 ± 0.04 |
2 | −1 | 0 | 1 | 14.96 ± 0.07 |
3 | 0 | 0 | 0 | 13.28 ± 0.03 |
4 | −1 | 0 | 0 | 15.34 ± 0.06 |
5 | 0 | 1 | 1 | 15.35 ± 0.08 |
6 | 1 | 0 | 1 | 14.55 ± 0.01 |
7 | −1 | 1 | 1 | 15.12 ± 0.11 |
8 | 0 | 1 | −1 | 15.14 ± 0.16 |
9 | −1 | −1 | 0 | 15.18 ± 0.04 |
10 | 1 | 0 | 0 | 13.69 ± 0.06 |
11 | 1 | −1 | 0 | 15.25 ± 0.07 |
12 | 1 | 0 | −1 | 15.20 ± 0.06 |
13 | 0 | 1 | −1 | 14.87 ± 0.05 |
14 | 0 | −1 | 1 | 14.99 ± 0.08 |
15 | 1 | −1 | 1 | 15.41 ± 0.06 |
16 | −1 | 1 | −1 | 15.17 ± 0.04 |