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ISSN electronic edition: 1336-9075
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Controlled Depolymerization of 4-O-Methyl-D-glucurono-D-xylan Isolated from Wood of Beech (Fagus-Sylvatica L.)

E. Lattová, A. Ebringerová, R. Toman, and M. Kačuráková

Institute of Chemistry, Shvak Academy of Sciences, CS-842 38 Bratislava

 

Abstract: In order to obtain 4-O-methyl-D-glucurono-D-xylan fractions in the range of relative molecular masses 7000-8500, optimal conditions of oxidative-acidic depolymerization in the medium of sulfuric acid and hydrogen peroxide were elaborated. The used methods for isolation of degradation products, i.e. gel filtration, dialysis, and ultrafiltration were evaluated from the point of view of yield, properties of product, and primary structure of polysaccharide fractions.

Full paper in Portable Document Format: 461a66.pdf

 

Chemical Papers 46 (1) 66–69 (1992)

Monday, July 26, 2021

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