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 9

Percentage of DPPH inhibition and FRAP test absorbances.

Concentration (µg/ml)	DPPH scavenging activity		FRAP
	% Inhibition	IC50 (µg/ml)	Absorbance at 700 nm
12.5	39.9	194.98	0.10
25	47.11		0.36
50	54.38		0.47
100	65.09		0.87
200	74.24		1.36