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. 2021 May 31;2021:6610864. doi: 10.1155/2021/6610864

Figure 2.

Figure 2

Effect of Z. jujuba extract on object recognition. (a) Time of object exploration. (b) Discrimination index. Each value represents the mean ± SEM; n = 7; bP<0.01, cP<0.001: significant difference compared to the normal group; 1P<0.05, 2P<0.01, 3P<0.001: significant difference compared to D-galactose group; DW: distilled water; Gal: D-galactose; ASP: aspirin; TA: tacrine; ZJ: Ziziphus jujuba; Normal: normal group only treated with distilled water; D-galactose: negative control group treated with D-galactose and distilled water; Gal + TA: positive control group treated with D-galactose and tacrine (10 mg/kg); Gal + ASP: positive control treated with D-galactose and aspirin (20 mg/kg); Gal + ZJ (41.5, 83, and 166): test groups treated with D-galactose and the aqueous extract of Z. jujuba at the respective doses of 41.5, 83, and 166 mg/kg.