Aqueous Root Bark Extract of Daniellia oliveri (Hutch. & Dalz.) (Fabaceae) Protects Neurons against Diazepam-Induced Amnesia in Mice

Figure 2

Effect of the aqueous extract of D. oliveri root on the reference memory of amnesic mice in the radial maze test. Each bar represents the mean ± ESM, n = 6. ^£££ = significant difference compared to the normal control; ^§ and ^§§§ = significant difference compared to negative control. DZP 2.5 + DW = diazepam (2.5 mg/kg) + distilled water; PIR 150 = piracetam (150 mg/kg); DO 100, 200, 300 = Daniellia oliveri (100, 200, 300 mg/kg).