Figure 2.

Effect of an oral single dose of oleuropein (20 mg/Kg) on preconditioning against the aconitine-induced arrhythmia in rats A: The initiation time of arrhythmia; B: The initiation time of ventricular tachycardia (VT); C: The episodes of ventricular ectopic beats before VT incidence; D: The number of reversible ventricular fibrillation (VF) and E: The death time. Con: control group; Ole1, Ole3, Ole24 and Ole48: mean groups that were given oleuropein 1, 3, 24 and 48 h before the infusion of aconitine, respectively. *: p < 0.05