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Titre du document / Document title

Chemical structure, molecular size distributions, and rheological properties of flaxseed gum

Auteur(s) / Author(s)

CUI W. ; MAZZA G. ; BILIADERIS C. G. ;

Affiliation(s) du ou des auteurs / Author(s) Affiliation(s)

Agriculture agri-food Canada, food res. program, Summerland BC V0H 1Z0, CANADA

Résumé / Abstract

Flaxseed gum extracted under optimum conditions of temperature (85-90oC), pH (6.5-7.0), and a water:seed ratio (13.0) was subjected to dialysis and fractionation by ion exchange chromatography on a high-capacity DEAE-cellulose column. The two fractions obtained [an acidic fraction (AFG) and a neutral fraction (NFG)] were characterized on the basis of molecular size distributions, chemical structure, and rheological properties. The neutral fraction was composed of arabinoxylans and was free of uronic acids. The acidic fraction consisted mainly of pectic-like polysaccharides containing L-rhamnose, D-galactose, and D-galacturonic acid

Revue / Journal Title

Journal of agricultural and food chemistry    ISSN  0021-8561   CODEN JAFCAU 

Source / Source

1994, vol. 42, no9, pp. 1891-1895 (16 ref.)

Langue / Language

Anglais

Editeur / Publisher

American Chemical Society, Washington, DC, ETATS-UNIS  (1953) (Revue)

Mots-clés anglais / English Keywords

Rheological properties

;

NMR spectrometry

;

Flax

;

Gum

;

Mucilage

;

Polysaccharide

;

Fractionation

;

Molecular size

;

Chemical structure

;

Mots-clés français / French Keywords

Propriété rhéologique

;

Spectrométrie RMN

;

Lin

;

Gomme

;

Mucilage

;

Polyoside

;

Fractionnement

;

Taille moléculaire

;

Structure chimique

;

Mots-clés espagnols / Spanish Keywords

Propiedad rheológica

;

Espectrometría RMN

;

Lino

;

Goma

;

Mucílago

;

Poliósido

;

Fraccionamiento

;

Tamaño molecular

;

Estructura química

;

Localisation / Location

INIST-CNRS, Cote INIST : 7332, 35400004173333.0120

Nº notice refdoc (ud4) : 3454555



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