Purificação e caracterização de uma gentioexaose obtida de botriosferana por hidrólise ácida parcial
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Abstract
A hexa-oligosaccharide was obtained by partial acid hydrolysis from botryosphaeran, an exopolysaccharide (EPS) β(1→3; 1→6)-D-glucan type, produced by the ascomyceteous fungus Botryosphaeria rhodina. The oligosaccharide was purified by gel filtration and charcoal-Celite column chromatography and the analysis was followed by HPAEC/PAD. The structure was determined by NMR spectroscopy and mass spectrometry, which showed that the oligosaccharide consists of six β-D-glucopiranosyl units O-6 substituted (gentiohexaose).
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β-glucan, Oligosaccharide, Partial acid hydrolysis
Language
Portuguese
Citation
Quimica Nova, v. 31, n. 5, p. 1015-1019, 2008.
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