Table 1 The design of experiments and response of FDM A production
Run | Soluble starch | Glucose | KH 2 PO 4 | FDM A titer ( Y , mg/L) |
|---|---|---|---|---|
X 1 | X 2 | X 8 | ||
1 | −1 | −1 | 0 | 531.49 ± 5.21 |
2 | −1 | 1 | 0 | 675.39 ± 20.00 |
3 | 0 | 1 | −1 | 684.50 ± 8.08 |
4 | 1 | −1 | 0 | 334.49 ± 19.05 |
5 | 0 | 1 | 1 | 548.14 ± 9.34 |
6 | 0 | 0 | 0 | 633.26 ± 17.38 |
7 | 0 | 0 | 0 | 637.19 ± 8.79 |
8 | 1 | 1 | 0 | 484.39 ± 3.57 |
9 | 0 | −1 | −1 | 513.95 ± 6.54 |
10 | 1 | 0 | 1 | 364.40 ± 4.06 |
11 | 0 | −1 | 1 | 398.01 ± 7.40 |
12 | 1 | 0 | −1 | 533.37 ± 3.95 |
13 | 0 | 0 | 0 | 628.13 ± 10.49 |
14 | −1 | 0 | 1 | 578.48 ± 8.97 |
15 | −1 | 0 | −1 | 647.68 ± 8.08 |