Table 1

Type of solvent (%v/v)	DPPH (EC₅₀)	Reducing power (OD₇₀₀)	Total phenol (g/g grape seed extracts)	Yield (%)
Water,100	520.00^h ± 2.33	0.6737^g ± 0.0020	0.1054^h ± 0.0030	7.51e ± 0.07
Water :ethanol, 80:20	353.33^e ± 1.81	1.0813^c ± 0.0251	0.2126d^d ± 0.0039	10.95cd ± 0.33
Water :ethanol,50:50	255.33^c ± 5.02	1.1917^a ± 0.0155	0.2200^c ± 0.0038	11.25c ± 0.21
Water :ethanol, 20:80	251.33^c ± 3.07	1.1650^b ± 0.0169	0.2186^c ± 0.0040	11.18^c ± 0.19
Ethanol,100	303.33^d ± 5.35	0.8000^e ± 0.0074	0.1566^f ± 0.0032	10.55c^d± 0.01
Water :acetone, 80:20	394.33^g ± 2.64	1.0643^c ± 0.0089	0.2060^e ± 0.0018	10.28^d ± 0.16
Water :acetone, 50: 50	242.67^b ± 3.28	1.1697^b ± 0.0180	0.2280^b ± 0.0012	15.37^b± 0.75
Water :acetone, 20: 80	210.67^a ± 1.42	1.2043^a ± 0.0193	0.2380^a ± 0.0007	16.51^a ± 0.55
Acetone100	374.67^f ± 4.79	0.7057^f ± 0.0152	0.1526^g ± 0.0043	4.65^f ± 0.73

Different letters indicated significant differences (P < 0.05) for values of one property down the column
Values were means ± SE (with 3 replications)

Table 1: The properties and yield of GSE using various concentrations of solvents.