title: [Comparative studies on isolation and purification of Chinese medicine decoction].
abstract: OBJECTIVE
  To evaluate different methods by treating water-decocted liquid of 6 Chinese medical herbs and 4 co-prescription respectively with alcohol, ultrafilter, macroporousresin and clarifier.
  
  
  METHODS
  The contents of target component in those extracts were determined with HPLC or titration, and quantitative and qualitative determination of the impurity components, such as polysaccharide and protein, was made.
  
  
  RESULTS
  Each method showed its advantages and disavantages.
  
  
  CONCLUSIONS
  Different method can be chosen according to the clinical and preparation demands or the characteristic of components.
authors.affiliation: Institute of Chinese Medica, China Academy of TCM, Beijing 100700.
authors.forename: Qing-ran
authors.initials: QR
authors.lastname: Feng
authors.forename: Yuan-yu
authors.initials: YY
authors.lastname: Wang
authors.forename: Zhen-shan
authors.initials: ZS
authors.lastname: Ma
authors.forename: Bao-xian
authors.initials: BX
authors.lastname: Zhang
authors.forename: Qi-xia
authors.initials: QX
authors.lastname: Nie
authors.forename: Xiao-mei
authors.initials: XM
authors.lastname: Zhao
authors.forename: Chen
authors.initials: C
authors.lastname: Zang
authors.forename: Yan
authors.initials: Y
authors.lastname: Tong
authors.forename: Lin
authors.initials: L
authors.lastname: Wang
mesh_terms: D004338:Drug Combinations; D004365:Drugs, Chinese Herbal / Q000008:administration & dosage / Q000032:analysis* / Q000302:isolation & purification*; D008722:Methods; D010946:Plants, Medicinal / Q000737:chemistry*; D011134:Polysaccharides / Q000032:analysis
chemical_list: D004338:Drug Combinations; D004365:Drugs, Chinese Herbal; D011134:Polysaccharides