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A new glucan, namely, piptoporane I, with a molecular mass of 270 kDa was isolated from fruiting bodies of Piptoporus betulinis (Bull.:Fr.) Karst. (Fomitopsidacaeae). Using a combination of physicochemical methods, it was established that piptoporane I was a branched glucan with a backbone consisting of α-(1 → 3)-glucopyranose residues substituted at the… (More)
Water-soluble polysaccharides from seeds of true cardamom (Elettaria cardamomum White at Maton, family Zingiberaceae) have been studied. The study has shown the presence of neutral and acidic components in these polysaccharides. Three polysaccharides (380, 166, and 27 kDa) have been isolated from the neutral fraction. According to the structural analysis… (More)
Quantitative 13C NMR spectroscopy has been used to study the chemical structure of industrial kraft lignin, obtained from softwood pulping, and its nitrosated derivatives, which demonstrate high inhibition activity in the polymerization of unsaturated hydrocarbons.