highly significantP < 0.001
In Aβ rats, there was a highly significant level of NO in all the brain parts studied; hippocampus (92.30 ± 6.41 μmol/L, P < 0.001), PFC (71.09 ± 10.23 μmol/L, P < 0.001), septum (85.20 ± 4.13 μmol/L, P < 0.001), when compared with other experimental groups.