title: [Chemical constituents from the root of Ilex cornuta].
abstract: OBJECTIVE
  To investigate the chemical constituents of the root of Ilex cornuta.
  
  
  METHODS
  The constituents were isolated by silica gel, Sephadex LH-20 gel, medium pressure column and semi-preparative liquid chromatography and their structures were elucidated by chemical properties and spectroscopic analyses.
  
  
  RESULTS
  Ten compounds were isolated and their structures were identified as: Oleanolic acid (1), Siaresinolic acid (2), 28-O-beta-D-glucopyranosyl pomolic acid (3), Pomolic acid (4), 3beta-O-alpha-L-arabinopyranosyl rotundic acid (5), 3beta-[alpha-L-arabinopyranosyl) oxy]-19alpha-hydroxyolean-12-en-28-oic acid 28-beta-D-glucopyranosyl ester (6), Lup-20(29)-en-3beta,23-diol (7), Chikusetsusaponin IV a butyl ester (8), Oleanolic acid-3-O-( 6'-O-methyl)-beta-D-glucuronopyranoside (9), 3-O-[(alpha-L-arabinopyranosyl)-(1 --> 2)]-beta-D-glucuronopyranosyl-(6'-O-methyl-ester)-olean-12-ene-28-olic acid (10).
  
  
  CONCLUSIONS
  Compounds 7 - 10 are isolated from this genus for the first time, and compounds 2 - 6 are isolated from this plant for the first time.
authors.affiliation: College of Life Sciences, Guizhou University, Guiyang 550025, China. zhouxinned@yahoo.com.cn
authors.forename: Xi-Xi
authors.initials: XX
authors.lastname: Zhou
authors.forename: Qiong-Ming
authors.initials: QM
authors.lastname: Xu
authors.forename: Ying
authors.initials: Y
authors.lastname: Zhou
authors.forename: Xiao-Ran
authors.initials: XR
authors.lastname: Li
authors.forename: Shi-Lin
authors.initials: SL
authors.lastname: Yang
mesh_terms: D002851:Chromatography, High Pressure Liquid; D004365:Drugs, Chinese Herbal / Q000737:chemistry* / Q000302:isolation & purification; D000431:Ethanol; D030017:Ilex / Q000737:chemistry*; D009682:Magnetic Resonance Spectroscopy; D015394:Molecular Structure; D009828:Oleanolic Acid / Q000031:analogs & derivatives / Q000737:chemistry / Q000302:isolation & purification; D018517:Plant Roots / Q000737:chemistry*; D012503:Saponins / Q000737:chemistry / Q000302:isolation & purification; D014315:Triterpenes / Q000737:chemistry / Q000302:isolation & purification
chemical_list: C479403:3-O-glucopyranosyl-1-4-glucuronopyranosylpomolic acid-28-O-glucopyranoside; D004365:Drugs, Chinese Herbal; D012503:Saponins; D014315:Triterpenes; C116949:latifoloside H; D000431:Ethanol; C115535:pomolic acid; D009828:Oleanolic Acid