Effect of insect tea on nNOS, eNOS and iNOS protein expression in HCl/ethanol-induced gastric mucosal injury mice. Data are relative to the control group and are presented as the mean + standard deviation (n=7). *P<0.05 vs. control, #P<0.05 vs. raw tea. n, neuronal; NOS, nitric oxide synthase; e, endothelial; i, inducible.