title: [Chemical constituents of Angelica nitida roots].
abstract: OBJECTIVE
  To investigate the chemical constituents in the roots of Angelica nitida.
  
  
  METHODS
  The chemical constituents were isolated by silica gel,their structures were identified by spectral analysis.
  
  
  RESULTS
  Nine compounds were isolated and identified as isoimperatorin(I), imperatorin(II), cnidilin(III), beta-sitosterol(IV), isopimpinellin(V), phellopterin(VI), neobyakangelicol(VII), (3S)-2,2-dimethyl-3,5-dihydroxy-8-hydroxylmethyl-3,4-dihydro-2H,6H-benzo[1,2-b: 5,4-b'] dipyran-6-one(VIll) and byakangelicin (IX).
  
  
  CONCLUSIONS
  All the compounds are isolated from the plant for the first time.
authors.forename: Ping-ping
authors.initials: PP
authors.lastname: Song
authors.forename: Ye
authors.initials: Y
authors.lastname: Lv
authors.forename: Zeng-lai
authors.initials: ZL
authors.lastname: Xu
authors.forename: Qiong
authors.initials: Q
authors.lastname: Wang
authors.forename: Nian-he
authors.initials: NH
authors.lastname: Wang
mesh_terms: D029969:Angelica / Q000737:chemistry*; D002681:China; D003374:Coumarins / Q000737:chemistry / Q000302:isolation & purification; D004365:Drugs, Chinese Herbal / Q000737:chemistry* / Q000302:isolation & purification; D011564:Furocoumarins / Q000737:chemistry / Q000302:isolation & purification; D009682:Magnetic Resonance Spectroscopy; D015394:Molecular Structure; D018517:Plant Roots / Q000737:chemistry*; D010946:Plants, Medicinal / Q000737:chemistry*
chemical_list: D003374:Coumarins; D004365:Drugs, Chinese Herbal; D011564:Furocoumarins; C104601:phellopterin