title: [A study on processing of the root of Pueraria lobata (Willd.) ohwi by HPLC].
abstract: OBJECTIVE
  To study the changes of active components in the root of Pueraria lobata after processing.
  
  
  METHODS
  Using HPLC, with a C18 column, MeOH-H2O-CHCl3(25:75:1) as mobile phase, and flow rate 1 ml/min.
  
  
  RESULTS
  The Puerarin in different processed products of the drug is increased in content, but gets seriously destroyed if processed by carbonizing.
  
  
  CONCLUSIONS
  The Puerarin content in the root of Pueraria lobata is affected by drug-processing.
authors.affiliation: Faculty of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing 100029.
authors.forename: S
authors.initials: S
authors.lastname: Liu
authors.forename: J
authors.initials: J
authors.lastname: Wang
authors.forename: C
authors.initials: C
authors.lastname: Liu
authors.forename: G
authors.initials: G
authors.lastname: Wen
authors.forename: Y
authors.initials: Y
authors.lastname: Liu
mesh_terms: D002851:Chromatography, High Pressure Liquid; D004365:Drugs, Chinese Herbal / Q000737:chemistry*; D006358:Hot Temperature; D007529:Isoflavones / Q000032:analysis*; D018517:Plant Roots / Q000737:chemistry; D029908:Pueraria / Q000737:chemistry*; D013678:Technology, Pharmaceutical / Q000379:methods
chemical_list: D004365:Drugs, Chinese Herbal; D007529:Isoflavones; C033607:puerarin