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Título

Isolation and chemical composition of lignin-carbohydrate complexes from non-woody plants

AutorRío Andrade, José Carlos del ; Rencoret, Jorge ; Prinsen, Pepijn ; Cadena, Edith M. ; Martínez, Ángel T. ; Gutiérrez Suárez, Ana
Palabras claveSisal
Abaca
Glucan-lignin complex
Xylan-lignin complex
DFRC
Fecha de publicación2015
EditorUniversität für Bodenkultur
CitaciónProceedings of the 18th International Symposium on Wood, Fibre and Pulping Chemistry 26-28 (2015)
ResumenLignin carbohydrate complexes (LCC) were isolated from sisal and abaca. Two LCC fractions, namely GL and XL, were isolated in a quantitative manner. GL fractions were enriched in glucans and depleted in lignin whereas XL fractions were depleted in glucans but were enriched in xylans and lignin. The lignin moieties in the different LCC fractions of sisal and abaca are structurally different from each other, with a lignin that is enriched in Sunits, less condensed, that is preferentially associated to xylans, and a lignin with more G-units, more condensed, that is preferentially associated to glucans. In addition, the analyses indicated that the acetate groups attached to the γ-carbon of the lignin side-chains in abaca and sisal were completely hydrolyzed and removed during the isolation procedure.
DescripciónComunicación presentada en el Proceedings of the 18th International Symposium on Wood, Fibre and Pulping Chemistry, 09 - 11 September 2015 / Austria, Vienna
URIhttp://hdl.handle.net/10261/132191
ISBN978-3-900932-24-4
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