title: [HPLC Fingerprint of Anisodus tanguticus Root].
abstract: OBJECTIVE
  To establish an HPLC fingerprint of Anisodus tanguticus root for its quality control.
  
  
  METHODS
  The analysis was carried out on a Ultimate AQ C18 (250 mm x 4.6 mm, 5 μm) column with the gradient elution of acetonitrile and KH2PO4 buffer soution, whose pH was adjusted to 3.0 with phosphoric acid. The flow rate, column temperature, detection wavelength and injection volume was 1.0 mL/min, 30 degrees C, 210 nm and 10 μL separately. The similarity evaluation and principal component analysis were used to analyze HPLC fingerprint of Anisodus tanguticus root.
  
  
  RESULTS
  HPLC fingerprint of Anisodus tanguticus root was established with 15 common peaks by determining 18 batches of Anisodus tanguticus root samples. Four characteristic peaks, anisodine, scopolamine, anisodamine and anisodamine, were confirmed by comparing their retention time and UV spectrum with standard reference substances. The simiarities of 18 batches of Anisodus tanguticus root were between -0.891 and 0.987. Comprehensive evaluation scores of 18 batches of Anisodus tanguticus root were between -0.85 and 0.89 by principal component analysis.
  
  
  CONCLUSIONS
  The established HPLC fingerprint has good precision, repeatability and stability, which can provide more comprehensive information for identification and quality control of Anisodus tanguticus root.
authors.forename: Yun-bin
authors.initials: YB
authors.lastname: Jiang
authors.forename: Yan
authors.initials: Y
authors.lastname: Gou
authors.forename: Mao-hua
authors.initials: MH
authors.lastname: Yuan
authors.forename: Yu-ying
authors.initials: YY
authors.lastname: Ma
authors.forename: Juan
authors.initials: J
authors.lastname: Zhou
authors.forename: Pi-e
authors.initials: PE
authors.lastname: Wu
mesh_terms: D002851:Chromatography, High Pressure Liquid; D004365:Drugs, Chinese Herbal / Q000737:chemistry*; D064209:Phytochemicals / Q000032:analysis*; D018517:Plant Roots / Q000737:chemistry*; D025341:Principal Component Analysis; D011786:Quality Control; D012601:Scopolamine; D012602:Scopolamine Derivatives; D019657:Solanaceae / Q000737:chemistry*; D012991:Solanaceous Alkaloids
chemical_list: D004365:Drugs, Chinese Herbal; D064209:Phytochemicals; D012602:Scopolamine Derivatives; D012991:Solanaceous Alkaloids; C003922:anisodamine; D012601:Scopolamine; C012183:anisodine