title: [Analysis of Monosaccharide Compositions in Paeoniae Radix Alba Polysaccharide].
abstract: OBJECTIVE
  To analyze the monosaccharide composition and the molar ratio of Paeoniae Radix Alba polysaccharide(PYPS).
  
  
  METHODS
  Pre-column derivation HPLC method was developed to determine the monosaccharide composition and the molar ratio of PYPS from Paeonia lactiflora root of different growth years and obtained by graded alcohol precipitation.
  
  
  RESULTS
  The results of HPLC analysis showed that PYPS consisted of Man, Rha, Glc, Ara, Gal and Xyl with the molar ratio of 156.26 : 0.73 : 0.85 : 1.03 : 1.17 : 0.79. Glc molar ratio increased gradually with the increasing of growth years, while the other five monosaccharides decreased.
  
  
  CONCLUSIONS
  Precolumn derivation HPLC method can be used to determine the monosaccharides in PYPS, molar ratio are differently in the different growth years and molecular weight of the PYPS, Glc is the main monosaccharide of PYPS.
authors.forename: Ya-dong
authors.initials: YD
authors.lastname: Qin
authors.forename: Rong-bin
authors.initials: RB
authors.lastname: Wang
authors.forename: Juan-juan
authors.initials: JJ
authors.lastname: Zhou
authors.forename: Fei
authors.initials: F
authors.lastname: Li
authors.forename: Xin
authors.initials: X
authors.lastname: Jin
authors.forename: Qian
authors.initials: Q
authors.lastname: Yang
mesh_terms: D002851:Chromatography, High Pressure Liquid; D009005:Monosaccharides / Q000737:chemistry*; D029596:Paeonia / Q000737:chemistry*; D018517:Plant Roots / Q000737:chemistry; D011134:Polysaccharides / Q000737:chemistry*
chemical_list: D009005:Monosaccharides; D011134:Polysaccharides