So on the basis of molecular investigation, alpha-eudesmol prevents breaking down acetylcholine in the brain. The ligand attaches to the arginine amino acid of acetylcholine at position 289; the oxygen of eudesmol makes a bond with NH group of arginine. As a result, an increased concentration of acetylcholine leads to increased communication between nerve cells, so alpha-eudesmol become suitable candidate for an acetylcholinesterase inhibitor, a chemical that binds to the cholinesterase and prevents it from breaking down the neurotransmitter, acetylcholine inhibitor also known as anti-cholinesterase, are molecules that prevent the breakdown of the neurotransmitter acetylcholine.