Flavonoids are abundant in plants, in which they perform several functions. They are essential pigments for producing the colors needed to attract pollinating insects. In higher order plants, flavonoids are also required for UV filtration, nitrogen fixation, cell cycle inhibition, and as chemical messengers. Flavonoids are important antioxidants and promote several health effects, and it can also produce other beneficial effects such as anti-viral, anti-cancer, anti-inflammatory and anti-allergic.