Fig. 11From: Crocin attenuates cigarette smoke-induced lung injury and cardiac dysfunction by anti-oxidative effects: the role of Nrf2 antioxidant system in preventing oxidative stressGSH amount and CAT, SOD and Gpx activities in lung tissue of the Control, Crocin, COPD and COPD plus crocin (CO + CR) rats. **P < 0.01, ***P < 0.05 vs. the Control group and †P < 0.05, ††P < 0.01 †††P < 0.001 vs. the COPD group. All the groups were statistically compared by ANOVA followed by Tukey’s multiple comparison. Data are expressed as mean ± SEM, n = 8Back to article page