title: [Quality evaluation of Schisandra chinensis at different producing areas in northeast China].
abstract: OBJECTIVE
  To investigate the quality of Schisandra chinensis, and thus provide the useful reference data for its quality standard establishment and standardized cultivation.
  
  
  METHODS
  Base on the Chinese Pharmacopoeia and literature relating to S. chinensis, the appearance, water-soluble extractive, total ash, acid-insoluble ash and volatile oil of 10 S. chinensis sampes collected from different producing sites in northeast China were studied or determined, and the contents of major active lingans were measured by HPLC.
  
  
  RESULTS
  The content of total ash and acid-insoluble ash in S. chinensis was less than 7.0%, 1.0%, respectively. The contents of water-soluble extractive were higher than 45.0%. HPLC analyses showed that the content of schisandrol A was higher than 0.40%. All these results in accordance with the requirements of Chinese Pharmacopoeia were published in 2010.
  
  
  CONCLUSIONS
  The differences of the appearance and the internal quality are different for the samples collected from different areas. And the establishment of a scientific and comprehensive quality standard system will be very important role in ensuring the quality of S. chinensis.
authors.affiliation: Institute of Chinese Medicinal Materials, Nanjing Agricultural University, Nanjing 210095, China.
authors.forename: Wen
authors.initials: W
authors.lastname: Shen
authors.forename: Zhengliang
authors.initials: Z
authors.lastname: Ye
authors.forename: Qiaosheng
authors.initials: Q
authors.lastname: Guo
mesh_terms: D002681:China; D034242:Cyclooctanes / Q000032:analysis; D004365:Drugs, Chinese Herbal / Q000032:analysis* / Q000592:standards; D017705:Lignans / Q000032:analysis; D009822:Oils, Volatile / Q000032:analysis; D011786:Quality Control; D032141:Schisandra / Q000737:chemistry* / Q000254:growth & development*
chemical_list: D034242:Cyclooctanes; D004365:Drugs, Chinese Herbal; D017705:Lignans; D009822:Oils, Volatile; C520474:schisandrol A