rehmannia glutinosa

Rehmannia glutinosa is one of the 50 fundamental herbs used in traditional Chinese medicine, where it has the name shēng dì huáng (Chinese: 生地黄). It is often sold as gān dì huáng (Chinese: 干地黄), gān meaning 'dried'.

A number of chemical constituents including iridoids, phenethyl alcohol, glycosides, cyclopentanoid monoterpenes, and norcarotenoids, have been reported from the fresh or processed roots of R. glutinosa'.

Rehmannia is named for Joseph Rehmann (1788–1831), a physician in St. Petersburg. ...