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Figure 2: Comparison of the number of crossing in the peripheral zone in the openfield test. Data are expressed as mean ± standard error of the mean (n = 10 in each group). **P < 0.01 comparison of sensitized group with control group, +P < 0.05 and ++P < 0.01 comparison of sensitized animals treated by 50, 100 and 200 mg/kg of the extract respectively, with nontreated sensitized group. The two ANOVA followed by Tukey post hoc test. The criterion for the statistical significance was P < 0.05 
