title: [Studies on chemical constituents in the anti-myocardial ischemia effective fraction of Corydalis yanhusuo].
abstract: OBJECTIVE
  To study the chemical constituents in the anti-myocardial ischemia effective fraction of Corydalis yanhusuo.
  
  
  METHODS
  Compounds were isolated and purified by a macroporous resin, Sephadex LH-20, ODS column chromatography, and prepared TLC. Their structures were identified by spectral analysis and chemical evidence.
  
  
  RESULTS
  Nine compounds, tetrahydrocolumbamine (1), noroxyhydrastinine (2), corunine (3), dehydrocorydaline (4), dehydrocorybulbine (5), columbamine (6), coptisine (7), berberine (8), palmatine (9) were isolated and identified from the effective fraction of Corydalis yanhusuo.
  
  
  CONCLUSIONS
  Compounds 2, 3 and 5 were isolated from this plant for the first time.
authors.affiliation: Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100193, China.
authors.forename: Xing-Ye
authors.initials: XY
authors.lastname: Cheng
authors.forename: Yue
authors.initials: Y
authors.lastname: Shi
authors.forename: Shun-Liang
authors.initials: SL
authors.lastname: Zheng
authors.forename: Hong
authors.initials: H
authors.lastname: Sun
authors.forename: Wen
authors.initials: W
authors.lastname: Jin
mesh_terms: D000470:Alkaloids / Q000737:chemistry / Q000302:isolation & purification; D001599:Berberine / Q000031:analogs & derivatives / Q000737:chemistry / Q000302:isolation & purification; D001600:Berberine Alkaloids / Q000737:chemistry / Q000302:isolation & purification*; D031311:Corydalis / Q000737:chemistry*; D004365:Drugs, Chinese Herbal / Q000737:chemistry* / Q000302:isolation & purification; D010946:Plants, Medicinal / Q000737:chemistry*; D027343:Rhizome / Q000737:chemistry; D013055:Spectrophotometry, Infrared; D013678:Technology, Pharmaceutical / Q000379:methods
chemical_list: D000470:Alkaloids; D001600:Berberine Alkaloids; D004365:Drugs, Chinese Herbal; C034384:coptisine; D001599:Berberine; C007232:dehydrocorydalin; C092892:tetrahydrocolumbamine