Effect of Noni on Memory Impairment Induced by Hydrocortisone in Mice

Table 2

Effects of noni on the step-down avoidance test in mice ( ± s, n = 8).

Group	Incubation period (s)	Error time	Vanish period (s)	Vanish error time
Control	145.9 ± 2.9	3.0 ± 2.1	181.8 ± 4.7	1.5 ± 0.9
Model	72.1 ± 8.2	5.9 ± 1.4	97.6 ± 6.0	4.1 ± 1.1
Ginseng	99.3 ± 12.9^##	2.5 ± 1.3^##	155.6 ± 8.4^##	1.6 ± 0.7^##
H-Noni	120.4 ± 11.0^##△△	3.0 ± 0.9^##△△	163.4 ± 9.2^##△△	1.5 ± 0.9^##△△
M-Noni	90.1 ± 11.3^##△△	3.1 ± 1.7^##△△	135.3 ± 7.4^##△△	3.0 ± 0.8^#
L-Noni	79.3 ± 6.2	4.6 ± 1.5	104.1 ± 10.6	4.0 ± 0.8

Notes: vs. control group ; vs. model group , ; vs. L-noni group .