I am not well aware about TCM, it is similar to Aurveda medicines. I mean it is extract of plants, I wish to understand type of molecules (mixture of molecules or pure molecules) and their clinical validation.
Traditional Chinese medicine is a broad range of medicine practices sharing common concepts which have been developed in China and are based on a tradition of more than 2,000 years, including various forms of herbal medicine, acupuncture, massage, exercise, and dietary therapy. It is primarily used as a complementary alternative medicine approach. TCM is widely used in China and it is also used in the West.
Chinese herbology (traditional Chinese) pinyin is the theory of traditional Chinese herbal therapy, which accounts for the majority of treatments in traditional Chinese medicine (TCM). An editorial in Nature stated that TCM is largely pseudoscience, with no valid mechanism of action for the majority of its treatments.
To go furthuer, you should take a look at this site. http://en.wikipedia.org/wiki/Chinese_herbology
TCM encompasses many different practices, including acupuncture, moxibustion (burning an herb above the skin to apply heat to acupuncture points), Chinese herbal medicine, tui na (Chinese therapeutic massage), dietary therapy, and tai chi and qi gong (practices that combine specific movements or postures, coordinated breathing, and mental focus). TCM is rooted in the ancient philosophy of Taoism and dates back more than 2,500 years. Traditional systems of medicine also exist in other East and South Asian countries, including Japan (where the traditional herbal medicine is called Kampo) and Korea. Some of these systems have been influenced by TCM and are similar to it in some ways, but each has developed distinctive features of its own.
https://nccih.nih.gov/health/whatiscam/chinesemed.htm