Capillary electrophoresis of homogeneous pectin fractions

Capillary electrophoresis (CE) has been used to characterize pectin fractions obtained from mother samples of varying degrees (and intramolecular patterns) of methylesterification (DM). These samples have been carefully produced by fractionation, (a) from the original mother samples on the grounds o...

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Bibliographic Details
Published in:Carbohydrate polymers 2005-06, Vol.60 (4), p.467-473
Main Authors: Ström, Anna, Ralet, Marie-Christine, Thibault, Jean-François, Williams, Martin A.K.
Format: Article
Language:English
Subjects:
Applied sciences
Capillary electrophoresis
Chemical Sciences
citrus fruits
degree of esterification
Degree of methylesterification
esterification
Exact sciences and technology
fractionation
Intermolecular DM distributions
Natural polymers
Pectin
pectins
Physicochemistry of polymers
Polymers
Starch and polysaccharides
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Description
Summary:Capillary electrophoresis (CE) has been used to characterize pectin fractions obtained from mother samples of varying degrees (and intramolecular patterns) of methylesterification (DM). These samples have been carefully produced by fractionation, (a) from the original mother samples on the grounds of molar mass, and (b) subsequently from the daughter fractions so obtained, on the grounds of charge. The results confirm theoretical predictions regarding the dependence of electrophoretic mobility on molar mass and DM and give further evidence that CE is able to give realistic information regarding the intermolecular DM of pectins.
ISSN:0144-8617
1879-1344
DOI:10.1016/j.carbpol.2005.03.015