Abstract
Background: Phenolic compounds are a class of the most widely distributed secondary metabolites in plants. They may function as pollination, pigment constituents and protection against UV radiation and predation for plants. Plant phenols have been studied for hundreds of years, and have acted as the major class of compounds that show great activity against various viruses such as herpes simplex, Epstein-Barr virus, equid herpesvirus, hepatitis B virus, human immunodeficiency virus, respiratory syncytial and canine distemper viruses. Because of the extensive antiviral activities, phenolic compounds have been widely investigated both chemically and biologically. The distribution of hydroxyl groups and ester group accounts for different antiviral activities of phenolic compounds, and research of these compounds has revealed that phenols have great potential for the development as therapeutic agents against various viruses. As a result, dozens of phenols in functional foods have been discovered to display antiviral activity.
Objective: This review emphasizes structure classification and antiviral activities of plant phenolic compounds, which are expected to provide guides for rational design of antiviral drugs.
Keywords: Phenolic compounds, plants, antiviral activity, structure-activity relationship, lead compounds, phytochemistry.
Graphical Abstract
Call for Papers in Thematic Issues
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