title: [Quantitative determination of total alkaloids in radix Gelsemii and its preparation using a colorimetric method with acid dye].
abstract: This paper deals with the quantitative determination of the total alkaloids in Radix Gelsemii and its preparation by colorimetric method with acid dye. It is shown that the mean contents of total alkaloids in Radix Gelsemii and its alkaloids injection were 0.621% and 5.02 mg/ml respectively, and the mean recovery was 96.87%.
authors.forename: J J
authors.initials: JJ
authors.lastname: Li
authors.forename: Y L
authors.initials: YL
authors.lastname: Ao
authors.forename: Y J
authors.initials: YJ
authors.lastname: Que
mesh_terms: D000470:Alkaloids / Q000032:analysis*; D003124:Colorimetry / Q000379:methods; D004365:Drugs, Chinese Herbal / Q000032:analysis*; D007267:Injections
chemical_list: D000470:Alkaloids; D004365:Drugs, Chinese Herbal