| abstract |
The present invention relates to a composition comprising a chestnut shell extract or a purified extract thereof as an active ingredient and, more specifically, to the composition that can be usefully applied as a pharmaceutical composition or a cosmetic composition for external skin application for preventing and treating skin aging by confirming that the chestnut shell extract or the purified extract thereof is excellent in DPPH radical scavenging activity, increasing ABTS radical cation decolorization activity, increasing superoxide dismutase (SOD) like activity, measuring inhibitory activity of xanthine oxidase, and nitrite scavenging inhibitory activity. |