title: [Chemical constituents of Rheum wittrochii Lundstr(I)].
abstract: OBJECTIVE
  To study the chemical constituents in the root of Rheum wittrochii.
  
  
  METHODS
  Chromatography and spectroscopic analysis were used to isolate and elucidate the chemical constituents in the plant.
  
  
  RESULTS
  Six compounds, namely chrysophanol, physcion, emodin, chrysophanol-8-O-beta-D-glucopyranoside, physcion-8-O-beta-D-glucopyranoside and beta-sitosterol, have been isolated from petroleum ether and ethyl acetate fractions.
  
  
  CONCLUSIONS
  All the above-cited compounds were isolated from the title plant for the first time, and anthraquinone compounds are some of the major constituents of R. wittrochii.
authors.affiliation: Department of Chinese Medicinal Prescription, China Pharmaceutical University, Nanjing 210038.
authors.forename: D
authors.initials: D
authors.lastname: Min
authors.forename: L
authors.initials: L
authors.lastname: Xu
authors.forename: Z
authors.initials: Z
authors.lastname: Zhang
authors.forename: H
authors.initials: H
authors.lastname: Wang
authors.forename: D
authors.initials: D
authors.lastname: Huang
authors.forename: D
authors.initials: D
authors.lastname: Guo
authors.forename: J
authors.initials: J
authors.lastname: Zheng
mesh_terms: D000880:Anthraquinones / Q000737:chemistry / Q000302:isolation & purification*; D004365:Drugs, Chinese Herbal / Q000737:chemistry*; D004642:Emodin / Q000031:analogs & derivatives* / Q000737:chemistry / Q000302:isolation & purification*; D015394:Molecular Structure; D018517:Plant Roots / Q000737:chemistry; D012250:Rheum / Q000737:chemistry*
chemical_list: D000880:Anthraquinones; D004365:Drugs, Chinese Herbal; C008905:physcione; D004642:Emodin; C027113:chrysophanic acid