Table 2.
Independent variables and their coded levels chosen for BBD
| Variable code | Variable | Level | ||
|---|---|---|---|---|
| −1 | 0 | + 1 | ||
| A | Cultivation time (h) | 72 | 96 | 120 |
| B | Cultivation temperature (°C) | 20 | 25 | 30 |
| C | Initial pH | 5.5 | 6.5 | 7.5 |
| D | Sucrose concentration (g/L) | 100 | 150 | 200 |
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