Table 4. Comparison of α-glucosidase inhibitory effects of fingerroot

Samples	Inhibition (%)1)					IC50(μg/mL)
	500 μg/mL	250 μg/mL	125 μg/mL	62.5 μg/mL	31.3 μg/mL
80% MeOH ext.	75.7±1.1b	60.7±2.3b	44.0±4.1c	30.4±1.9c	25.9±2.9c	151.6±3.1b
80% EtOH ext.	70.1±1.4b	40.6±2.2c	19.5±2.1d	13.1±1.8d	9.0±2.2e	306.7±2.9a
80% Acetone ext.	66.9±2.1b	41.4±1.4c	31.0±1.1c	16.4±2.1d	9.8±1.2e	296.3±2.3a
Hot water ext.	24.6±1.0c	19.7±2.1d	17.5±1.0d	15.9±2.6d	11.5±1.9d	>500a
Acarbose2)	65.9±1.1b	49.5±1.8c	25.4±1.9c	15.2±1.3d	8.1±1.1e	281.9±1.6a

Inhibitory effects are expressed as the means±SD of triplicate experiments. Different letters (a-e) within the same column indicate significant differences (p<0.05).
Acarbose was used as a positive control.