The chemistry of khat.

This paper presents a review of literature on the chemical composition of khat (Catha edulis Forsk., Celastraceae). The effect of chewing fresh khat could not be explained satisfactorily by the action of d-norpseudoephedrine which was, for a long time, believed to be the only stimulant in khat. A comprehensive study on the chemical composition of khat was… (More)