Active ingredient in Bamboo Leaves Extract are flavonoids, lactones and phenolic acids. The flavonoids are mainly flavone glycosides, including orientin, homoorientin, isovitexin, vitexin. The lactones are mainly hydroxyl coumarin and its derivatives. The phenolic acids are mainly derivatives of cinnamic acid including chlorogenic acid, caffeic acid and ferulic acid. Bamboo Leaves Extract is manufactured through the process of water-ethanol extraction, …