Table 6.

α-Glucosidase and α-amylase inhibitions of Cydonia oblonga of methanolic extract and subsequent purified fractions at different concentrations.

Sample	Concentration (µg/mL)	% α-Glucosidase Inhibition	IC50 (µg/mL)	% α-Amylase Inhibition	IC50 (µg/mL)
		Mean ± SEM		Mean ± SEM
Met-Ext	1000	78.21 ± 0.67	57	77.98 ± 0.57	52
	500	73.51 ± 0.56		76.29 ± 0.36
	250	64.79 ± 0.14		74.32 ± 0.25
	125	60.28 ± 0.38		68.38 ± 0.68
	62.5	52.51 ± 1.06		57.28 ± 0.52
F1	1000	55.01 ± 0.29	500	79.72 ± 0.02	57
	500	50.97 ± 0.39		78.22 ± 0.72
	250	43.13 ± 0.34		74.02 ± 0.76
	125	47.24 ± 0.29		67.97 ± 0.80
	62.5	32.41 ± 0.74		52.58 ± 0.10
F 2	1000	56.10 ± 0.24	494	79.97 ± 0.30	45
	500	51.88 ± 0.38		79.27 ± 0.28
	250	47.62 ± 0.91		76.22 ± 0.62
	125	47.09 ± 0.01		75.82 ± 0.56
	62.5	30.89 ± 1.99		70.18 ± 0.48
F3	1000	62.44 ± 1.02	200	82.16 ± 0.48	49
	500	57.61 ± 0.28		80.41 ± 0.92
	250	55.88 ± 0.18		78.06 ± 0.65
	125	48.19 ± 0.15		76.72 ± 0.53
	62.5	43.27 ± 1.02		74.67 ± 0.59
F4	1000	70.52 ± 0.15	370	77.37 ± 0.28	54
	500	63.86 ± 0.03		76.57 ± 0.04
	250	55.04 ± 0.08		74.47 ± 0.92
	125	49.04 ± 0.71		68.88 ± 0.38
	62.5	43.25 ± 0.90		57.18 ± 0.05
F5	1000	62.18 ± 0.92	180	72.14 ± 0.30	220
	500	59.92 ± 0.49		61.50 ± 0.58
	250	52.92 ± 0.32		53.44 ± 0.28
	125	48.84 ± 0.73		46.16 ± 0.74
	62.5	36.73 ± 0.07		38.58 ± 0.48
F6	1000	72.68 ± 0.22	125	74.24 ± 0.29	59
	500	68.05 ± 0.52		67.38 ± 1.62
	250	57.39 ± 0.99		62.67 ± 0.25
	125	50.92 ± 0.27		56.52 ± 0.49
	62.5	46.35 ± 0.89		51.81 ± 0.76
F7	1000	57.33 ± 0.05	495	56.58 ± 0.10	500
	500	51.61 ± 0.12		50.42 ± 0.46
	250	46.84 ± 0.83		44.39 ± 0.78
	125	39.60 ± 0.39		38.28 ± 0.60
	62.5	34.68 ± 0.06		31.09 ± 1.05
Acarbose	1000	87.65 ± 0.71	30	85.99 ± 0.44	32
	500	83.05 ± 0.65		83.61 ± 0.58
	250	78.90 ± 1.02		76.85 ± 0.96
	125	71.83 ± 0.99		70.47 ± 0.78
	62.5	65.15 ± 0.75		64.89 ± 0.71