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Title

Chemical composition of lipophilic extractives from sisal (Agave sisalana) fibers

AuthorsGutiérrez Suárez, Ana CSIC ORCID ; Rodríguez García, María Isabel; Río Andrade, José Carlos del CSIC ORCID
KeywordsAgave sisalana
Ferulic acid esters
Lipids
Nonwoody fibers
Pitch
Sisal
Issue Date2008
PublisherElsevier
CitationIndustrial Crops & Products 28: 81-87 (2008)
AbstractThe chemical composition of lipophilic extractives from sisal (Agave sisalana) fibers, which are used for high-quality paper pulp production was studied. The lipophilic extract, which accounted for 0.5 % of total sisal fiber weight, was analyzed by gas chromatography (GC) and gas chromatography/mass spectrometry (GC/MS) using short- and medium-length high temperature capillary columns, respectively. For a more detailed characterization, the extract was fractionated by solid-phase extraction and the fractions obtained were analyzed by GC and GC/MS. The most predominant compounds identified were fatty acids (30% of total lipids) including α- and -hydroxyfatty acids, fatty alcohols (20%), free sterols (11%), alkanes (11%) and a series of ferulic acid esters of long chain alcohols and -hydroxyfatty acids (10%). Additionally, steroid hydrocarbons and ketones, monoglycerides, aldehydes, waxes, and sterol glycosides were also found together with minor amounts of diglycerides, and sterol esters.
DescriptionInstituto de Recursos Naturales y Agrobiología de Sevilla, CSIC, PO Box 1052, E-41080 Seville, Spain. Corresponding author, E-mail: anagu@irnase.csic.es (A. Gutiérrez)
URIhttp://hdl.handle.net/10261/34837
DOI10.1016/j.indcrop.2008.01.008
ISSN0926-6690
Appears in Collections:(IRNAS) Artículos

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