Hydrolysable tannins play key roles in plant growth and development, response to the environment, and physiological processes. This book covers the novel insights of cholinesterase inhibition by certain commercially available tannins for the management of Alzheimer disease using in silico molecular docking analysis. The efficacy of acetyl cholinesterase inhibitors assists benefit in the management of Alzheimer disease. This book highlights the acetyl cholinesterase inhibition of tannins which was evidenced by the docking scores. This book will be helpful for the dynamic researchers and post graduate students those who want to work in the field of Molecular Pharmacology and Neuro Pharmacology. It is a handbook to be read, kept and referred to again and again.