title: [Analytical method of guiqi mixture and its main ingredient Astragalus root].
abstract: Chuanxiog Rhizome, Chinese Angelica Root and Scrophularia Root in Guiqi mixture have been identified by TLC. A TLC-densitometric method for determining astragalosied in the patent medicine and its main ingredient Astragalus Root has been established. This method is sensitive and highly reproducible, with RSD under 3.0% and recovery over 98%.
authors.affiliation: National Institute for the Control of Pharmaceutical and Biological Products, Beijing.
authors.forename: J
authors.initials: J
authors.lastname: Su
authors.forename: B Q
authors.initials: BQ
authors.lastname: Wang
mesh_terms: D002855:Chromatography, Thin Layer; D003720:Densitometry; D004338:Drug Combinations; D004365:Drugs, Chinese Herbal / Q000737:chemistry*; D011786:Quality Control
chemical_list: D004338:Drug Combinations; D004365:Drugs, Chinese Herbal