Appearance: Yellow needles (from methanol) or yellow-brown powder
Application: antitumor agent
Description: Rhein is an anthraquinone compound enriched in the fresh rhizome of Rheum coreanum Nakai, showing anti-inflammation and antitumor activities. Rhein is the best raw material for formulating health products. It can reduce fat and lose weight, lax detoxification, clean the internal environment, prevent gastric cancer, and delay aging.