In Vitro α-Amylase and α-Glucosidase Inhibitory and Antioxidant Activities of the Crude Extract and Solvent Fractions of Hagenia abyssinica Leaves

Table 2

α-Amylase inhibitory activities of the crude extract and solvent fractions of H. abyssinica.

Concentration	Percentage (%) inhibition
	Chloroform fraction	Ethyl acetate fraction	Water fraction	Crude extract	Acarbose
15.6 μg/ml
31.3 μg/ml
62.5 μg/ml
125.0 μg/ml
250.0 μg/ml
500.0 μg/ml
IC50 μg/ml

Note: each value of percent inhibition of α-amylase is presented as (). Abbreviations: SEM: standard error of mean; IC₅₀: half-maximal inhibitory concentration.