Composition for preventing or treating degenerative brain diseases comprising a hydrolysate of ginsenosides

摘要

A pharmaceutical composition for preventing or treating a degenerative brain disease comprising a compound of formula I or a or a pharmaceutically acceptable salt thereof as an active ingredient: (I) wherein, R¹ is H or Glc-Glc-; R² is H or OH; R³ is H, glucose, Ara(p)-Glc- or Ara(f)-Glc-; Glc is Glucose; Ara(p) is arabinose in pyranose form: and Ara(f) is arabinose in furanose form.