title: [Study on Chemical Constituents from Roots of Lonicera macranthoides].
abstract: OBJECTIVE
  To study chemical constituents of the roots of Lonicera macranthoides.
  
  
  METHODS
  The chemical constituents were isolated and purified by means of several chromatographic techniques and their structures were elucidated by spectroscopic methods.
  
  
  RESULTS
  Seven compounds were isolated and identified as ribenol (1), excoecarin C (2), 18-hydroxy-13-epi-manoyloxide (3), asiatic acid (4), oleanolic acid (5), β-sitosterol (6) and β-daucosterol (7).
  
  
  CONCLUSIONS
  Compounds 1-4 are obtained from this genus for the first time. Compound 5 is obtained from this plant for the first time. All the compounds are found from the roots of Lonicera mac- ranthoides for the first time.
authors.forename: Wen-juan
authors.initials: WJ
authors.lastname: Liu
authors.forename: Yu
authors.initials: Y
authors.lastname: Chen
authors.forename: Xin
authors.initials: X
authors.lastname: Ma
authors.forename: You-yi
authors.initials: YY
authors.lastname: Zhao
authors.forename: Xu
authors.initials: X
authors.lastname: Feng
mesh_terms: D031239:Lonicera / Q000737:chemistry*; D009828:Oleanolic Acid / Q000737:chemistry / Q000302:isolation & purification; D053978:Pentacyclic Triterpenes / Q000737:chemistry / Q000302:isolation & purification; D064209:Phytochemicals / Q000737:chemistry* / Q000302:isolation & purification; D018517:Plant Roots / Q000737:chemistry*; D012855:Sitosterols / Q000737:chemistry / Q000302:isolation & purification
chemical_list: D053978:Pentacyclic Triterpenes; D064209:Phytochemicals; D012855:Sitosterols; C025473:gamma-sitosterol; D009828:Oleanolic Acid; C017032:asiatic acid; C011015:lyoniside