Fig. 1

Body weight and blood glucose of rats in each experimental group. A Plasma glucose (n = 20), B Body weight (n = 20). C A representative nondiabetic rat. D A representative diabetic rat. E Glucose levels during OGTT. F Glucose area under the curve (AUC) during OGTT. G Glucose levels during ITT. H Glucose area under the curve (AUC) during ITT. **P < 0.01, ***P < 0.001. NG: normal group. DMG: diabetes mellitus group. Data are expressed as mean ± standard error of the mean (SEM) and were analysed by T test