Acetylcholinesterase enzyme (AChE) is the that catalyzes hydrolysis of neurotransmitter acetylcholine to choline. Inhibitors this (AChE-i) are used treat Alzheimer's, a neurodegenerative disease. Due side effects drugs used, there has been an increased interest in investigating inhibitory potentials natural products which presumed have fewer effects. For purpose, highland honey, chestnut royal ...