Figure 4

Antioxidant enzyme activity. Superoxide dismutase activity (SOD) (A), Catalase (CAT) (B), and GPX activity (C) were significantly lower in the infarcted rats (I group) when compared to sham animals (S group). Infarcted rats treated with PY (I + PY) presented a significantly higher activity of all anti-oxidant enzymes when compared to the untreated rats. Values are expressed as mean ± SEM. *P < 0.05 vs Sham; # P < 0.05 vs I (n = 7) for each group (two-way ANOVA test with Tukey as post hoc).