Remophilanetriol:A New Eremophilane from the Roots of Rehmannia glutinosa

摘要

Radix Rehmanniae is the fresh or dry root of Rehmannia glutinosa Libosch.(Scrophulariiaceae),and is traditionally used for antipyretic and hemostatic.The roots of Rehmannia glutinosa have been also used as a tonic and sedative after processing of the fresh root such as boiling in the rice wine or steaming.A number of constituents such as iridoids,phenethyl alcohol glycosides,glycosides,cyclopentanoid monoterpenes,and norcarotenoids,have been reported from the fresh or processed roots of R.glutinosa.