Two doses of TX ameliorate the decreases in Ach content (p < 0.01) and increases in AchE (p < 0.01) caused by TMT Conclusion: Extracts from fresh bud of TX leaf ameliorate memory impairments using MWM test and this result correlates to cholinergic response, by increases in Ach content and decreases in AchE activity in hippocampus of mice