Fig. 4From: Effect of Zanthoxylum alkylamides on glucose metabolism in streptozotocin-induced diabetic Sprague–Dawley ratsEffect of TRPV1receptor antagonist and Zanthoxylum alkylamides on oral glucose tolerance in diabetic rats. a Blood glucose level; b area under oral glucose tolerance curve. For each group, n = 8 rats. a–dMean values with different letters are significant difference (p < 0.05) according to Tukey's multiple comparisons testBack to article page