An h.p.l.c. method for determining chain-length distribution in some glycogens

Human, oyster, Streptococcus mitis, and phyto-glycogen samples were debranched using Pseudomonas amylodermosa isoamylase (EC 3.2.1.68). The distribution of chain lengths was studied by high-performance liquid chromatography on reversed-phase columns, with water as eluent. Quantitative data was obtai...

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Veröffentlicht in:Carbohydrate research 1991-08, Vol.215 (1), p.59-65
Hauptverfasser: Cheetham, Norman W.H., Hansawek, Nanthavan, Saecou, Pranee
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container_title Carbohydrate research
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creator Cheetham, Norman W.H.
Hansawek, Nanthavan
Saecou, Pranee
description Human, oyster, Streptococcus mitis, and phyto-glycogen samples were debranched using Pseudomonas amylodermosa isoamylase (EC 3.2.1.68). The distribution of chain lengths was studied by high-performance liquid chromatography on reversed-phase columns, with water as eluent. Quantitative data was obtained over the degree of polymerisation range three to eighteen (d.p. 3–18), and oligosaccharides up to d.p. 26 were detected. No single column was found suitable for the resolution of the complete range of oligosaccharides, two columns being necessary for the quantitative analysis. The resulting “fingerprints” of chain lengths are characteristic of the glycogen source and should be useful for both comparison purposes among glycogens and for monitoring procedures of glycogen isolation.
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subjects Analytical, structural and metabolic biochemistry
Animals
Biological and medical sciences
Chromatography, High Pressure Liquid - methods
Fundamental and applied biological sciences. Psychology
Glycogen - chemistry
Glycogen - isolation & purification
Humans
Isoamylase
Molecular Structure
Molecular Weight
Oligosaccharides - chemistry
Oligosaccharides - isolation & purification
title An h.p.l.c. method for determining chain-length distribution in some glycogens
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