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Publisher: Altai State University
Journal: Khimiia rastitel'nogo syr'ia (Chemistry of plant raw material)
Languages: Russian
Types: Article
Subjects: water-soluble polysaccharides; pectins, Centaurea scabiosa L.; Centaureaa pseudomaculosa Dobrocz.; DEAE- cellulose; α-D-galacto-(1,4) -α-D-glucans, водорастворимые полисахариды; пектиновые вещества; Centaurea scabiosa L.; Centaurea pseudomaculose Dobrocz.; DEAE-целлюлоза; α-D-галакто-(1,4)-α-D-глюканы
In the paper described comparative characteristic of polysaccharide complexes rough cornflower (Centaurea scabiosa L.) and lozhnopyatnistogo cornflower (Centaurea pseudomaculosа Dobrocz.). Was proposed the technique of sequential selection of water-soluble polysaccharides and pectins from the above-ground parts of the research objects. The content of water-soluble polysaccharides from the above-ground part of C. scabiosa is 2,8 times more (2,7 ± 0,3%, n = 3) than in C. pseudomaculosа (0,97 ± 0,50%, n = 3), pectins from the above-ground part of C. scabiosa is 2 times more (7,6 ± 0,4%, n = 3), than  in C. pseudomaculosа (3,9 ± 0,3%, n = 3).  The main monomer units of the polysaccharide complexes C. scabiosa and C. pseudomaculosa are D-galacturonic acid, L-rhamnose, D-xylose, D-mannose, D-galactose and D-glucose. From water-soluble polysaccharides of perspective C. scabiosa was isolated by ion exchange chromatography three fractions of polysaccharides (molecular weights of 667, 722 and 1027 kDa), which contain D-galacturonic acid, L-rhamnose, D-xylose, D-galactose and D-glucose.
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