Graph of inraperitoneal glucose tolerance test. Before the IPGTT rats were fasted overnight. The intraperitoneal injection of 50% dextrose at dose 2 g/kg was administered and glucose was measured in the tail vein using a glucometer. Data are mean ± SD (n = 6 rats per group). Statistical analysis was calculated by two-way ANOVA, Bonferroni post hoc test.