“…A large number of plants produce secondary metabolites such as alkaloids, flavonoids, terpenes, steroids that are used in pharmaceuticals, cosmetics and pesticide industries [16]. Flavonoids have been reported to possess many useful properties, including anti-inflammatory, oestrogenic, enzyme inhibition, antimicrobial, anti-allergic, antioxidant, vascular and cytotoxic antitumor activity [17,18].…”