Table 3.
Effect of mulberry root bark extracts on α-glucosidase activity

Extracts	Concentration (mg/mL)	α glucosidase inhibitory activity (%)	IC50 1) (mg/mL)
MRE	0.1	40.28±3.46c	0.12±0.03
	0.2	81.55±3.57b
	0.5	98.03±0.01a
	1.0	99.39±0.07a
MRW	0.1	11.99±4.50d	1.15±0.02
	0.2	22.15±2.66c
	0.5	33.05±0.13b
	1.0	43.08±4.33a
Acarbose	-	-	0.49±0.05

IC₅₀ : Concentration required for 50% inhibition of α-glucosidase activity.