Occurrence of steryl glycosides in eucalypt wood, kraft pulp and process liquids

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Título:	Occurrence of steryl glycosides in eucalypt wood, kraft pulp and process liquids
Autor:	Gutiérrez Suárez, Ana CSIC ORCID ; Río Andrade, José Carlos del CSIC ORCID
Palabras clave:	Eucalyptus globulus Sterol glycosides GC-MS
Fecha de publicación:	26-ago-2002
Citación:	7th European Workshop on Lignocellulosics and Pulp, Turku/Abo, Finland, pp.233-236.
Resumen:	The occurrence of steryl glycosides (SG) and acyl steryl glycosides (ASG) in Eucalyptus globulus wood was investigated. These compounds were analyzed as their trimethylsilyl ethers by gas chromatography-mass spectrometry (GC/MS). Significant amounts of SG were identified whilst only traces of ASG could be detected. Sitosteryl 3-D-glucopyranoside and sitosteryl (6´-O-palmitoyl)-3-D-glucopyranoside were the major SG and ASG found in E. globulus wood. The presence of SG and ASG was also investigated after kraft cooking by analyzing unbleached pulp and process water samples. The GC/MS results also revealed the presence of sitosteryl 3-D-glucopyranoside in these samples. By contrast, no ASG could be detected after kraft cooking.
URI:	http://hdl.handle.net/10261/86436
Aparece en las colecciones:	(IRNAS) Comunicaciones congresos