3 结果
Ephedrine and pseudoephedrine are phenylpropylamino alkaloids widely used in modern medicine. Some Ephedra species such as E. sinica Stapf (Ephedraceae), a widely used Chinese medicinal plant (Chinese name: Ma Huang), accumulate ephedrine alkaloids as active constituents. Other Ephedra species, such
Ephedra sinica Stapf (Ephedraceae) is a widely used Chinese medicinal plant (Chinese name: Ma Huang). The main active constituents of E. sinica are the unique and taxonomically restricted adrenergic agonists phenylpropylamino alkaloids, also known as ephedrine alkaloids: (1R,2S)-norephedrine
Ever since the introduction of the alkaloid ephedrine as an anti-asthmatic, the CNS stimulatory effects of this sympathomimetic have been a problem in therapy. Indeed, the use of ephedrine is not only limited by its cardiovascular effects, but also by the occurrence of insomnia, restlessness and