Fig. 3

Dose dependent changes in rat intestinal sucrase, maltase and glucoamylase in-hibitory activity (% inhibition) of water extracted coffee (A, C, and E, respectively) and ethyl alcohol extracted coffee (Fig. B, D, and F) types The results represent the mean ± S.D. Different uppercase letters indicate significant differences among different samples within same concentration whereas different lowercase letters indicate significant differences among different concentration within same sample at p < 0.05 by Duncan’s multiple range test