Flavonoids are a group of plant derived chemical compounds with variable phenolic structures and functions. These secondary metabolites are known to have various health benefits and now are considered as an important part of a variety of pharmaceutical and nutraceutical application. This article attempts to focus on characterization and classification as well as highlight various biological activities and other therapeutic applications.

Keywords: Flavonoids, Antioxidants, Anti-Inflammatory, Anti-carcinogenic, Therapeutic, Anti-Microbial, Free Radicals.