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Título : Chemical characterization of lignin and lipid fractions in industrial hemp bast fibers used for manufacturing high-quality paper pulps
Autor : Gutiérrez Suárez, Ana, Rodríguez García, María Isabel, Río Andrade, José Carlos del
Palabras clave : Industrial hemp
Cannabis sativa
Bast fibers
Paper pulp
Lipids
Lignin
Steroids
Pyrolysis
Fecha de publicación : 2006
Editor: American Chemical Society
Citación : Journal of Agricultural and Food Chemistry 54: 2138-2144 (2006)
Resumen: The chemical composition of lignin and lipids of bast fibers from industrial hemp (Cannabis sativa) used for high-quality paper pulp production was studied. Pyrolysis-gas chromatography/mass spectrometry (Py-GC/MS) of fibers showed a lignin with a p-hydroxyphenyl:guaiacyl:syringyl unit (H: G:S) molar proportion of 13:53:34 (S/G ratio of 0.64). p-Hydroxycinnamic acids, namely, p-coumaric and ferulic acids, were found in only trace amounts. Among the lipids, the main compounds identified by GC/MS of the hemp fibers extracts were series of n-alkanes, free and esterified sterols and triterpenols, waxes, and long-chain n-fatty acids. Other compounds such as n-aldehydes, n-fatty alcohols, steroid hydrocarbons, and steroid and triterpenoid ketones as well as steryl glycosides were also found.
Descripción : Instituto de Recursos Naturales y Agrobiología, CSIC, P.O. Box 1052, 41080 Seville, Spain
URI : http://hdl.handle.net/10261/39900
DOI: http://dx.doi.org/10.1021/jf052935a
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