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Huperzine A

Meaning

Huperzine A is a naturally occurring sesquiterpene alkaloid compound isolated from the Chinese club moss, Huperzia serrata. It functions as a potent, reversible, and selective inhibitor of acetylcholinesterase, an enzyme responsible for breaking down acetylcholine in the brain. Its chemical structure allows it to cross the blood-brain barrier effectively, enabling its central nervous system activity.