The present application provides a natural aqueous extract obtainable from a cinnamon bark (Cinnamon sp.) which has antiviral activity against enveloped viruses including influenza A, Parainfluenza (Sendai) virus and HSV-1 viruses, as well as in vivo activity in inhibition of Influenza A and Parainfluenza viruses. The present application also concerns a method for the extraction of said cinnamon extract and applications thereof.Linvention concerne un extrait naturel aqueux pouvant être obtenu à partir de la cannelle (Cinnamon sp.) et qui possède une activité antivirale contre les virus enveloppés, y compris les virus de la grippe A, les virus para-influenza (Sendai) et HSV-1, ainsi quune activité in vivo dinhibition des virus de la grippe A et para-influenza. Linvention concerne aussi un procédé dextraction de lextrait de cannelle et des applications de celui-ci.
