Abstract
Pyrolysis/capillary gas chromatography is used for the characterization of the monomer composition of various oligosaccharides and polysaccharides including glucose-containing disaccharides,glucans, a galactomannan and an arabinogalactan. The chromatograms showed many common pyrolysis products, but also unique anhydrosugar products (e.g., 1,6-anhydroglucopyranose, 1,4-anhydroarabinopyranose, 2,6-anhydrofructofuranose) derived from each type of saccharide unit present in the samples. Reasonable values of the monomer composition of the polysaccharide can also be obtained from th pyrograms. The method is rapid and direct, requiring no sample preparation.
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