Table1 Utilized Variables for the experimental domain.
Variable | Component | Unit | Low level (− 1) | High level (+ 1) |
|---|---|---|---|---|
X1 | Yeast extract | g L−1 | 2 | 8 |
X2 | Tryptone | g L−1 | 5 | 15 |
X3 | FeSO4 | μg mL−1 | 25 | 75 |
X4 | Na2-EDTA | μg mL−1 | 0 | 200 |
X5 | FeCl3 | μg mL−1 | 50 | 150 |
Variable | Component | Unit | Low level (− 1) | High level (+ 1) |
|---|---|---|---|---|
X1 | Yeast extract | g L−1 | 2 | 8 |
X2 | Tryptone | g L−1 | 5 | 15 |
X3 | FeSO4 | μg mL−1 | 25 | 75 |
X4 | Na2-EDTA | μg mL−1 | 0 | 200 |
X5 | FeCl3 | μg mL−1 | 50 | 150 |
