Glutamate, lactate-to-pyruvate ratio, lactate dehydrogenase (LDH), nitric oxide metabolites (NO), and 2,3-dihydroxybenzoic acid (2,3-DHBA) levels in BALF from the NC, HS+Sal, HS+Mel (0.2 mg/kg), HS+Mel (1 mg/kg), and HS+Mel (5 mg/kg) rats. Data are expressed the meanSD. n=6. bP<0.05 compared with the NC group; eP<0.05 compared with the HS+Sal group.