title: [A new ecdysone hormone rhaponticum from Rhaponticum uniflorum (L.) DC].
abstract: OBJECTIVE
  To study the chemical constituents of Rhaponticum uniflorum.
  
  
  METHODS
  Solvent extraction, separation by silica gel column chromatography and identification by physico-chemical properties and spectral data.
  
  
  RESULTS
  A new ecdysone hormone, rhaponticum (1) was isolated from the root of R. uniflorum together with a known compound ecdysterone(2).
  
  
  CONCLUSIONS
  The two compounds were obtained from the plant for the first time.
authors.affiliation: Department of Chemistry, Guangxi University for Nationalities, Nanning 530006, Guangxi, China.
authors.forename: G H
authors.initials: GH
authors.lastname: Deng
authors.forename: S L
authors.initials: SL
authors.lastname: Wei
authors.forename: H X
authors.initials: HX
authors.lastname: Wei
mesh_terms: D019659:Asteraceae / Q000737:chemistry*; D004441:Ecdysterone / Q000737:chemistry / Q000302:isolation & purification*; D015394:Molecular Structure; D018517:Plant Roots / Q000737:chemistry*; D010946:Plants, Medicinal / Q000737:chemistry*; D013267:Stilbenes / Q000737:chemistry / Q000302:isolation & purification*
chemical_list: D013267:Stilbenes; D004441:Ecdysterone; C023538:rhapontin