Table 5.
Coding of experimental parameters and related levels.
| Parameters | Symbol | Coded Levels | ||
|---|---|---|---|---|
| −1 | 0 | 1 | ||
| Reaction time (h) | X1 | 8 | 16 | 24 |
| Enzyme amount (PLU) a | X2 | 500 | 1000 | 1500 |
| Reaction temperature (°C) | X3 | 60 | 70 | 80 |
a PLU means propyl laurate units.
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