Medicinal plants with antiviral effect: A review

Abstract

Several phytochemicals exhibited high level of antiviral activity. Medicinal plant possessed antiviral activity via many mechanisms included inhibition of viral replication, inhibition of the assembly of intracellular infectious virus particles, inhibition of viral infectivity, inhibition of RNA polymerase, DNA polymerase, viral neuraminidase, protease, reverse transcriptase and viral protein expression and many other mechanisms. The current review discuss the medicinal plants with antiviral activity with their mechanisms of action.