()huperzine a

(±)-Huperzine A is an active Lycopodium alkaloid extracted from traditional Chinese herbs. (±)-Huperzine A is a selective and reversible inhibitor of AChE and can be used in studies about the treatment of Alzheimer's disease.

(-)-Huperzine A (HupA) , an active Lycopodium alkaloid extracted from the traditional Chinese herb, is a potent, selective and reversible acetylcholinesterase (AChE) inhibitor and has been widely used in China for the treatment of Alzheimer's disease (AD).

1. Huperzine-B is a efficient inhibitor of human brain AChE. 2. Huperzine-B can enhance ognitive and protect neuro, may be potentially new drug candidates for Alzheimer's disease therapy.

Huperzine has the value as pretreatment of organophosphate poisoning, it can be used as a protective agent against organophosphate intoxication.