Neuroprotective and Antiamnesic Effects of Mitragyna inermis Willd (Rubiaceae) on Scopolamine-Induced Memory Impairment in Mice

Table 1

Effect of M. inermis in normal mice in EPM.

Treatments	Transfer latency (seconds)		Inflexion ratio
	8th day	9th day
H2O	69.6 ± 9.9	63.2 ± 2.2	0.10
39.3	69.6 ± 7.5	43 ± 2.4	0.62
98.25	63.0 ± 6.0	33.4 ± 1.5	0.89
196.5	66.2 ± 6.2	34.4 ± 5.4	0.92
393	61.6 ± 6.3	38.4 ± 3.9	0.60
Pira	60.6 ± 3.8	32.6 ± 4.6	0.86

Data are mean ± SD, per dose. , , and , compared to control group (H2O), one-way ANOVA followed by Dunnett’s bilateral comparisons for TL, and Duncan’s test for IR. H2O: distilled water, Pira: piracetam 200 mg/kg.