Valorization of Glycine max (Soybean) Seed Waste: Optimization of the Microwave-Assisted Extraction (MAE) and Characterization of Polyphenols from Soybean Meal Using Response Surface Methodology (RSM)

Table 3

Conditions and responses for the screening.

Experiment
Power
W (120 W)	1.9	1
W (180 W)	1.3	0.8
W (240 W)	0.8	0.4
Time (min)
T (2 min)	2.9	1.3
T (5 min)	1.5	0.7
T (8 min)	1.3	0.6
Ethanol proportion
E (20%)	1.9	1.2
E (50%)	4.3	2.4
E (80%)	2.1	1.3
Dry matter/solvent ratio
DM/S (30)	1.2	0.4
DM/S (60)	3.9	1.3
DM/S (80)	2.1	1.8