ACHE and Alzheimer disease: The scientific basis for this was revealed by Vinutha et al.(2007), who while analysing themethanolic stem bark extract of F. religiosa,found potent acetylcholinesterase inhibitory (AChEI) activity associated with it.The latter is the most accepted strategy for the treatment of Alzheimer disease (AD)and other related diseases (Bertaccini 1982); the inhibitors prolong the half-life of acetylcholinethrough inhibition of acetylcholinesterase (AChE) (Darvesh et al. 2003).