Provided are: a method for producing purified Salacia genus plant extract that improves flavor and that increases the α-glucosidase inhibition activity of the extract without significantly reducing the rate of recovery of the extract which follows purification; and a purified Salacia genus plant extract. This method for producing purified Salacia genus plant extract includes an extraction step in which a Salacia genus plant-containing raw material extract which is constituted of at least any one of a Salacia genus plant, a Salacia genus plant extract, and a Salacia genus plant ground product is brought into contact with 0.1-20 mass% activated carbon in the presence of an extracting solvent.