Table 5.
Optimum conditions and comparison of predicted and observed values for verification
Response | Optimum extraction condition | ||||||
---|---|---|---|---|---|---|---|
| |||||||
Alcohol concentration (%) | K2HPO4 concentration (%) | Extraction temperature (°C) | Extraction time (h) | Predicted | Observed | Error (%) | |
Recovery yield (%) | 69 | 15 | 21.5 | 2.8 | 75.6 | 78.2±0.2 | 3.4 |
Values are presented as number only or mean±standard deviation.