Antiviral preparations obtained from a natural cinnamon extract

摘要

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.

主权项

1. A composition which is (1) an aqueous extract of cinnamon bark (Cinnamon sp.), (2) a precipitate of said aqueous extract or (3) a fraction of said extract or precipitate; said extract, precipitate or fraction comprising an active fraction, said active fraction having an absorbance at 280 nm of between 15 and 20 OD, and comprising at least one substance having a molecular weight greater than 10 kDa and antiviral activity.