Fig. 2

Effects of XKY on hyperglycemia and insulin resistance in db/db mice. A Schematic diagram of the animal experiment. B Body weight, C body weight gain, D liver weight/body weight, E daily food intake, F daily water intake, G FBG, H curve of OGTT, I OGTT area under curve, J curve of ITT, K ITT area under curve, L insulin and M HOMA-IR in NC, Model, MET, XKY-H, XKY-M and XKY-L groups. Data were shown as means ± SD (n = 6–9, *P < 0.05, **P < 0.01, ***P < 0.001 vs. the Model group)