Ephedra monosperma

A wide variation exists in alkaloid content among different species of Ephedra in different parts of the world, with the highest total alkaloid content of 2.5 % in Ephedra equisetina. In fact, the yield of ephedrine in the extract of different species of Ephedra varies from 55 % to 83 % [10,13]. Cui and colleagues reported that the highest amount of ephedrine among different species analyzed was in Ephedra monosperma Gmel. Ex Mey (1.401 %), while the highest amount of pseudoephed-rine was in Ephedra intermedia Schrenk ex (0.912 %) [5] (Table 27.1). 

China Ephedra distachya L. E. equisetina Bunge. E. intermedia Schrenk ex Mey. E. monosperma Gmel. ex Mey. E. sinica Stapf. 1-ephedrine, 1-methylephedrine, 1-norephedrine, methylephedrine, d-pseudoephedrinem, d-N-methylpseudoephedrine.30,31 33 This herb is toxic. Treat asthma, sympathomimetic action, relieve headache, body ache, and coughing, lower fever by increasing perspiration. 

Ephedra distachya L., E. intermedia Schrenk ex Mey., E. sinica Stapf., E. monosperma Gmel. ex. Mey., E. equisetina Bunge. 

Ephedra distachya, E. equisetina, E intermedia, E. monosperma, E. sinica Sophora flavescens, S. alopecurosides Agastache rugosa, A. rugosa f. hypoleuca... 

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