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Figure 2: The percentage MPE of the vanillin Results are expressed as mean ± SEM of six animals in each group. (F _{1} = 16.49, P < 0.0001; F _{2} = 8.960, P = 0.0022). *P ≤ 0.0001 for all treatment versus control (twoway ANOVA test). SEM = standard error mean, MPE = maximum possible effect, ANOVA = analysis of variance 
