Comparison of the optimal method with reference methods.

Method	Extraction conditions				Extraction yield (mg g−1)
	Solvent	Method	Temperature	Time
Ref-1	28 mL g−1 73%EtOH	Heating	83 °C	4 h	1.54 ± 0.26
Ref-2	28 mL g−1 73%EtOH	MAE	68 °C	20 min	1.84 ± 0.04
Ref-3	30 mL g−1 NADES	Heating	83 °C	4 h	2.24 ± 0.03
Optimal method	30 mL g−1 NADES	MAE	68 °C	20 min	2.32 ± 0.01