Is there ephedrine in ephedra?

Ephedra contains ephedrine. Simply put, ephedra and ephedrine are the relationship between drugs and drug components: ephedrine is extracted from ephedra. Ephedra is one of the traditional Chinese medicines with a long history of application in China. It was recorded for the first time in Shen Nong's Herbal Classic in Han Dynasty, and it was recorded in all previous dynasties. It is still one of the commonly used Chinese medicines in clinic.

Ephedra is mainly composed of ephedrine and pseudoephedrine, which are widely used in various preparations as adrenocortical drugs. Ephedrine, also known as ephedrine, is a multi-word name. The scientific name of ephedrine is (1R, 2S)-2- methylaminophenylpropane-1- alcohol, which has many stereoisomers and is an alkaloid. The molecular formula is C 10H 15NO. It exists in many ephedra plants and is the main component of Chinese herbal medicine ephedra. Colorless volatile liquid. It can be distilled by steam. Its hydrochloride is commonly used.