Anxiolytic effects of AA in open field test: The rats (n = 8) were tested in open field for 5 min to assess the dose-dependent impact of of AA effects on anxiety by monitoring the (a) time spent by rats in the centre zone, (b) entries in the centre, (c) line crossings and (d) rearings for 5 min in the open field test. *P < 0.05, bP < 0.05, cP < 0.05 were considered significant statistically for diazepam vs control, AA 100 vs control and AA 200 vs control, respectively.