Table 5.

Predicted and experimental values of investigated responses obtained at optimal PLE conditions.

Input and Output Parameters	Goal	Lower Limit	Upper Limit	Predicted Values	Experimental Values
				Optimal Conditions
Temperature [°C]	is in range	130	170	170
Extraction time [min]	is in range	10	30	30
Ethanol concentration [%]	is in range	30	60	30
Y [%]	maximize	16.17	32.54	32.32	32.14
TP [g GAE/100 g]	maximize	4.0400	6.6454	6.6560 ± 0.4595	6.7464 ± 0.1860
DPPH [mM TE/g]	maximize	0.2431	0.2914	0.2900 ± 0.0115	0.3173 ± 0.0035
FRAP [mM Fe2+/g]	maximize	0.6726	0.9357	0.9290 ± 0.0706	0.8587 ± 0.0032
ABTS [mM TE/g]	maximize	0.4362	0.6482	0.6430 ± 0.0528	0.6943 ± 0.0204