Table 5.
Predicted and experimental values of investigated responses obtained at optimal conditions according to RSM and ANN optimization.
| Input Parameters | RSM | ANN | ||
| Optimal Parameters | ||||
| Ethanol concentration [%] | 52.19 | 45 | ||
| Extraction time [min] | 20 | 5 | ||
| Liquid–solid ratio [mL/g] | 23.64 | 30 | ||
| Irradiation power [W] | 400 | 400 | ||
| Output Parameters | Predicted Values | Experimental Values | Predicted Values | Experimental Values |
| Y [%] | 16.07 | 16.89 | 15.68 | 17.46 |
| TP [g GAE/100 g] | 4.16 | 4.86 ± 0.1830 | 4.54 | 4.36 ± 0.1556 |
| DPPH [mM TE/g] | 0.23 | 0.26 ± 0.0039 | 0.23 | 0.20 ± 0.0020 |
| ABTS [mM TE/g] | 0.49 | 0.53 ± 0.0142 | 0.58 | 0.57 ± 0.0185 |