Table 4.
Levels of nutrient parameters used in Box-Behnken’s response surface design
| Nutrient parameter(g l-1) | Levels | ||
|---|---|---|---|
| -1 | 0 | +1 | |
| Malt extract | 07.00 | 10.00 | 13.00 |
| Dextrose | 20.00 | 40.00 | 60.00 |
| MnSO4.H2O | 01.00 | 01.50 | 02.00 |
| MgSO4.7H2O | 00.50 | 01.00 | 01.50 |
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