title: [Study on the quality standard of changan oral solution].
abstract: OBJECTIVE
  To study the quality standard of Changan oral solution.
  
  
  METHODS
  Thin layer chromatography was used for identification pig's bile plaster. TLC scanning was used for the determination of hyodeoxycholic acid.
  
  
  RESULTS
  The TLC identification was highly specific and the spots was clear and concentrated. Linear regression for hyodeoxycholic acid was over the range of 3.50-12.25 micrograms. The average recovery of hyodeoxycholic acid was 100.5%, RSD was 3.2%.
  
  
  CONCLUSIONS
  This standard was capable to effectively control the quality of Changan oral solution.
authors.affiliation: Kaifeng Medical College, 475001.
authors.forename: S
authors.initials: S
authors.lastname: Wan
authors.forename: J
authors.initials: J
authors.lastname: Shan
authors.forename: X
authors.initials: X
authors.lastname: Zhang
mesh_terms: D000284:Administration, Oral; D000818:Animals; D001646:Bile / Q000737:chemistry*; D002855:Chromatography, Thin Layer; D003840:Deoxycholic Acid / Q000032:analysis*; D008419:Materia Medica / Q000008:administration & dosage / Q000737:chemistry / Q000592:standards*; D019999:Pharmaceutical Solutions; D011786:Quality Control; D013552:Swine
chemical_list: D008419:Materia Medica; D019999:Pharmaceutical Solutions; D003840:Deoxycholic Acid; C010471:hyodeoxycholic acid