Figure 2
DPP-IV inhibitory activity of phytochemicals: (A) caffeine, (B) catechin, (C) epicatechin, (D) gallic acid, (E) isoquercitrin, (F) quercetin, (G) rutin and (H) the antidiabetic small molecule drug, nateglinide
Values are mean ± SEM with n=4, *P<0.05, **P<0.01 and ***P< 0.001, compared with control.