High-performance liquid chromatographic analysis of galactosamine, glucosamine, glucosaminitol, and galactosaminitol

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

Both N-acetylgalactosamine and N-acetylglucosamine covalently link oligosaccharides to peptide in glycoproteins. In order to identify the N-acetylhexosamine involved in this linkage, the corresponding hexosaminitol generated by alkaline borohydride treatment must be determined. An HPLC method modified from the Waters PICO-TAG amino acid analysis procedure is described. Phenylisothiocarbamyl derivatives of galactosamine, glucosamine, glucosaminitol, galactosaminitol, and the internal standard, p-aminophenyl-β-d-galactoside, are eluted from the Waters PICO-TAG column at 3.9, 4.3, 6.9, 8.1, and 10.1 min, respectively. The standard curves for the hexosamines and hexosaminitols are linear between 1 and 75 nmol. In addition to p-aminophenyl-β-d-galactoside, several synthetic hexosamines and hexosaminitols can be employed as internal standard. These include 3-allosamine, 3-glucosamine, allosamine, 3-allosaminitol, mannosaminitol, and allosaminitol, which are eluted at 3.1, 3.4, 4.8, 6.4, 7.4, and 7.8 min, respectively. The analysis time is 15 min but can be shortened to 10 min if only hexosamines are to be analyzed and either 3-glucosamine or 3-allosamine is used as the internal standard. This rapid method is superior to previous methods for the analysis of hexosamines in glycoconjugates and hexosaminitols generated from glycoconjugates following alkaline borohydride treatment.

Original languageEnglish (US)
Pages (from-to)265-269
Number of pages5
JournalAnalytical Biochemistry
Volume167
Issue number2
DOIs
StatePublished - Jan 1 1987
Externally publishedYes

Fingerprint

Hexosamines
Galactosamine
Glucosamine
High performance liquid chromatography
High Pressure Liquid Chromatography
Galactosides
Borohydrides
Glycoconjugates
Acetylgalactosamine
Acetylglucosamine
Water
Oligosaccharides
Glycoproteins
Derivatives
Amino Acids
Peptides
2-amino-2-deoxyglucitol
2-amino-2-deoxygalactitol
allosamine

Keywords

  • HPLC
  • glycoconjugates
  • hexosamines
  • hexosaminitols
  • mucins
  • reverse-phase chromatography

ASJC Scopus subject areas

  • Biochemistry
  • Biophysics
  • Molecular Biology

Cite this

High-performance liquid chromatographic analysis of galactosamine, glucosamine, glucosaminitol, and galactosaminitol. / Cheng, Pi Wan.

In: Analytical Biochemistry, Vol. 167, No. 2, 01.01.1987, p. 265-269.

Research output: Contribution to journalArticle

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abstract = "Both N-acetylgalactosamine and N-acetylglucosamine covalently link oligosaccharides to peptide in glycoproteins. In order to identify the N-acetylhexosamine involved in this linkage, the corresponding hexosaminitol generated by alkaline borohydride treatment must be determined. An HPLC method modified from the Waters PICO-TAG amino acid analysis procedure is described. Phenylisothiocarbamyl derivatives of galactosamine, glucosamine, glucosaminitol, galactosaminitol, and the internal standard, p-aminophenyl-β-d-galactoside, are eluted from the Waters PICO-TAG column at 3.9, 4.3, 6.9, 8.1, and 10.1 min, respectively. The standard curves for the hexosamines and hexosaminitols are linear between 1 and 75 nmol. In addition to p-aminophenyl-β-d-galactoside, several synthetic hexosamines and hexosaminitols can be employed as internal standard. These include 3-allosamine, 3-glucosamine, allosamine, 3-allosaminitol, mannosaminitol, and allosaminitol, which are eluted at 3.1, 3.4, 4.8, 6.4, 7.4, and 7.8 min, respectively. The analysis time is 15 min but can be shortened to 10 min if only hexosamines are to be analyzed and either 3-glucosamine or 3-allosamine is used as the internal standard. This rapid method is superior to previous methods for the analysis of hexosamines in glycoconjugates and hexosaminitols generated from glycoconjugates following alkaline borohydride treatment.",
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AB - Both N-acetylgalactosamine and N-acetylglucosamine covalently link oligosaccharides to peptide in glycoproteins. In order to identify the N-acetylhexosamine involved in this linkage, the corresponding hexosaminitol generated by alkaline borohydride treatment must be determined. An HPLC method modified from the Waters PICO-TAG amino acid analysis procedure is described. Phenylisothiocarbamyl derivatives of galactosamine, glucosamine, glucosaminitol, galactosaminitol, and the internal standard, p-aminophenyl-β-d-galactoside, are eluted from the Waters PICO-TAG column at 3.9, 4.3, 6.9, 8.1, and 10.1 min, respectively. The standard curves for the hexosamines and hexosaminitols are linear between 1 and 75 nmol. In addition to p-aminophenyl-β-d-galactoside, several synthetic hexosamines and hexosaminitols can be employed as internal standard. These include 3-allosamine, 3-glucosamine, allosamine, 3-allosaminitol, mannosaminitol, and allosaminitol, which are eluted at 3.1, 3.4, 4.8, 6.4, 7.4, and 7.8 min, respectively. The analysis time is 15 min but can be shortened to 10 min if only hexosamines are to be analyzed and either 3-glucosamine or 3-allosamine is used as the internal standard. This rapid method is superior to previous methods for the analysis of hexosamines in glycoconjugates and hexosaminitols generated from glycoconjugates following alkaline borohydride treatment.

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