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α-Glucosidase is an enzyme catalyzing the breakdown of carbohydrate into glucose in the small intestine. Inhibition of α -
glucosidase enzyme is considered one of the alternative treatment for type 2 diabetes by reducing postprandial hyperglycemia.
Extracts from Pereskia bleo were evaluated on it’s α-glucosidase inhibition. The ground dried leaves of P.bleo were macerated
in methanol at room temperature. The crude methanolic extract was filtered and dried under reduced pressure. The dried crude
methanolic extract was resuspended in deionised water and sequentially partitioned with n-hexane, chloroform and butanol.
The partitioned extracts were dried with a rotary evaporator The inhibitory effects of the four extracts were evaluated for its α-
glucosidase inhibition using the enzymatic method. Acarbose was used as the positive drug control. At 0.5 mg/ml, the
chloroform extract exhibited the highest inhibiton of 69 %.