Research Progress of Antiviral Activity of Quercetin and Its Derivatives

Quercetin is a natural flavonoid compound,which is widely found in various vegetables,fruits and Chinese herbal medicines.Quercetin and its derivatives are effective in anti-oxidation,anti-bacterial,anti-cancer,anti-ulcer,neuroprotection and improvement of cardiovascular and cerebrovascular diseases.The broad-spectrum antiviral activities of quercetin and its derivatives have been fully proved by various scientific researches,such as anti-SARS-related coronavirus,anti-influenza A virus,anti-hepatitis virus,anti-Ebola virus and anti-herpes virus activities.This article reviews the research progress and mechanism of antiviral effects of quercetin and its derivatives reported in the past ten years,laying the foundation for its further development and utilization and clinical research.