title: [Studies on quality control of Xueyakang capsule].
abstract: OBJECTIVE
  To establish the quality control standard for Xueyakang capsule.
  
  
  METHODS
  Radix Rehmanniae, Cacumen Platycladi, Folium Artemisiae Argyi, Folium Nelumbinis were identified by TLC, and the content of quercitrin was determined by HPLC.
  
  
  RESULTS
  The TLC sports developed was fairly clear, the HPLC method showed good repeatability, and the average recovery of quercitrin was 100.7% with RSD 2.0%.
  
  
  CONCLUSIONS
  The method is simple, accurate and can effectively control quality of Xueyakang capsule.
authors.affiliation: Beijing Institute for Drug Control, Beijing 100035, China. W-JHY@sina.com
authors.forename: Jing-hui
authors.initials: JH
authors.lastname: Wang
authors.forename: Li-hua
authors.initials: LH
authors.lastname: You
authors.forename: Hong-yu
authors.initials: HY
authors.lastname: Jin
authors.forename: Xiao-qian
authors.initials: XQ
authors.lastname: Zhang
mesh_terms: D000959:Antihypertensive Agents / Q000008:administration & dosage / Q000737:chemistry* / Q000302:isolation & purification; D019306:Artemisia / Q000737:chemistry; D002214:Capsules; D002851:Chromatography, High Pressure Liquid; D002855:Chromatography, Thin Layer; D029779:Cupressaceae / Q000737:chemistry; D004338:Drug Combinations; D004365:Drugs, Chinese Herbal / Q000008:administration & dosage / Q000737:chemistry* / Q000302:isolation & purification; D031653:Nelumbo / Q000737:chemistry; D010946:Plants, Medicinal / Q000737:chemistry*; D011786:Quality Control; D011794:Quercetin / Q000032:analysis*; D032267:Rehmannia / Q000737:chemistry
chemical_list: D000959:Antihypertensive Agents; D002214:Capsules; D004338:Drug Combinations; D004365:Drugs, Chinese Herbal; D011794:Quercetin