ANTI-INFLUENZA VIRAL COMPOSITION CONTAINING BARK OR STEM EXTRACT OF ALNUS JAPONICA

摘要

The present invention relates to an antiviral composition comprising an Alnus japonica extract, more specifically, relates to a method for preparing high activated anti-influenza viral composition, which comprises an extract of the bark or stem of Alnus japonica, and an anti-influenza viral composition comprising the extract. An extract of the bark or stem of Alnus japonica according to the present invention has low toxicity to normal cells, while having an excellent antiviral effect even when administered at low concentration and thus the composition comprising the Alnus japonica extract can be used effectively in preventing and treating influenza viral infection.