Table 1 Experimental range and levels of the independent variables in terms of actual and coded factors in the optimization of components for LiP synthesis
Independent variable | Symbol | Level (g/L) | ||
|---|---|---|---|---|
−1 | 0 | 1 | ||
Glucose | X 1 | 2 | 5 | 8 |
Sodium nitrate | X 2 | 0.1 | 1.1 | 2 |
Corn steep liquor | X 3 | 0.1 | 1.1 | 2 |
Yeast extract | X 4 | 0.1 | 1.1 | 2 |
VB1 | X 5 | 0 | 0.01 | 0.02 |