title: [Accumulative trends of ephedrine and pesudoephedrine in Ephedra sinica].
abstract: In Yi Kezhao Alliance, the content of ephedrine and pseudoephedrine in Ephedra sinica is in a ratio of four to six. The total content of ephedine and pseudoephedrine form cultivated Ephedra sinica is higher than that of wild one, and in direct ratio with the years of plant. For the content enhance of total alkaloids, decreasing irrigation and applying middlingly fertilizer is more effective measure.
authors.affiliation: Yi Kezhao Alliance Medical Corporation, Inner Mongolia, 017000.
authors.forename: Q
authors.initials: Q
authors.lastname: Feng
authors.forename: S
authors.initials: S
authors.lastname: Cheng
authors.forename: Y
authors.initials: Y
authors.lastname: Xu
authors.forename: F
authors.initials: F
authors.lastname: Lin
authors.forename: Z
authors.initials: Z
authors.lastname: Geng
authors.lastname: Adiya
mesh_terms: D000470:Alkaloids / Q000032:analysis* / Q000737:chemistry; D002681:China; D029790:Ephedra sinica / Q000737:chemistry* / Q000254:growth & development; D004809:Ephedrine / Q000032:analysis* / Q000302:isolation & purification; D005308:Fertilizers; D010598:Pharmacognosy; D013997:Time Factors; D014867:Water
chemical_list: D000470:Alkaloids; D005308:Fertilizers; D014867:Water; D004809:Ephedrine