Cognitive dysfunction therapeutic agent and / or Alzheimer's disease therapeutic agent

摘要

A pharmaceutical composition with activity in the treatment of cognitive and/or neuro-immune dysfunctions. It refers to Alzheimer disase, based upon a natural hydrosoluble extract obtained from the rhizomes and leaves of Phlebodium decumanum, Polypodium aureum, Polypodium leucotomos, Polypodium vulgare, Polypodium trisereiale, Pteridium aquilinum, Dryopteris crassirhizoma and Cyathea taiwamiana, and a pharmaceutical acceptable vehicle, includes also the alcohol soluble fraction and the liposoluble fraction derived from the extract.