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Lineweaver-Burk plots of α-amylase and α-glucosidase (Vmax of 0.55 approx.) and (Vmax of 0.45 approx.) activities over a range of substrate concentrations (10–50 mM) in the absence (Control) or presence of hydroalcohol extract of bark of Homalium zeylaicum (HAHZ). The graph depicts competitive (reversible) mode of inhibition of α-glucosidase and mixed competitive mode of inhibition of α-amylase.
