There has been a growing interest in the use of traditional Chinese medicine (TCM) both in China and globally. In China, increased health care costs are associated with the widespread use of Western drugs and their related side-effects. Currently two-thirds of the drugs used in China are of Western origin while the other third is TCM. Health care costs can be more effectively controlled by wider use of TCM. Such trends provide an opportunity to develop a pharmaceutical industry based on herbal products for both the Chinese and global markets. Internationally, the World Health Organization has...