Evodia rutaecarpa Juss. Benth is the most important component of famous Wu-Zhu-Yu decoction of China. Previous studies showed that Evodia is effective in the treatment of stomach diseases. Evodiamine and rutaecarpine are the two major active indole alkaloids in the title plant. In recent years, they have been found to exhibit cardiotonic, anti-inflammation and antitumor activities and received more and more attention from scientists of various fields. 1-Tetrahydropalmatine (1-THP), a naturally occurring ne...