Macromolecular distribution of Acacia senegal gum (gum arabic) by size-exclusion chromatography

作者: Marie-Colette Vandevelde , Jean-Claude Fenyo

DOI: 10.1016/0144-8617(85)90034-7

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摘要: Abstract Fractionation of Acacia senegal gum has been carried out on Sephacryl gels S-400 and S-500. The shape relative height the chromatograms are sample dependent. Physicochemical data including circular dichroism weight-average molecular weights distribution show that about 70% material is composed homogeneous polysaccharide chains with a very low nitrogen content. remaining combination moieties (probably an arabinogalactan-protein complex). Our consistent new simplified structural models proposed recently for this polysaccharide.

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