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Experimental data for four-variable three-level response surface analysis.
| Process Factors |
Temperature (°C) | Oligofructose Concentration (%) | Maltodextrin Concentration (%) |
Duration of Osmosis (min) | |||
|---|---|---|---|---|---|---|---|
| High | 50 | 30 | 40 | 80 | +1 | +1 | +1 |
| Center | 40 | 20 | 30 | 60 | 0 | 0 | 0 |
| Low | 30 | 10 | 20 | 40 | −1 | −1 | −1 |
| Standard order |
X1 | X2 | X3 | X4 |
