The dry bark of Rutaceae plant Phellodendron chinense Schneid. is called Huangbo. It's also known as Chuanhuangbo usually. It is one of the most commonly used Traditional Chinese Medicines with its very wide clinical applications in eliminating heat and dampness, purging sthenic fire, reducing asthenia-heat and bone steaming, relieving toxin for pyocutaneous diseases, and etc. The Chinese Pharmacopoeia in 2005 version separated Huangbo from Guanhuangbo that derived from Phellodendron amurense Rupr...