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Title

Fractionation of honey carbohydrates using pressurized liquid extraction with activated charcoal

AuthorsRuiz-Matute, Ana I. ; Ramos, Lourdes ; Martínez-Castro, Isabel ; Sanz, M. Luz
Issue Date2008
PublisherAmerican Chemical Society
CitationJournal of Agricultural and Food Chemistry 56: 8309- 8313 (2008)
AbstractThis article describes the development of a new procedure that combines the use of activated charcoal and pressurized liquid extraction (PLE) to obtain enriched fractions of di- and trisaccharides from honey. Honey was adsorbed onto activated charcoal and packed into a PLE extraction cell. Optimum results were obtained at 10 MPa and 40 °C using two consecutive PLE cycles: first, 1:99 (v/v) ethanol/water for 5 min and second, 50:50 (v/v) ethanol/water for 10 min. Di- and trisaccharide fractions were enriched after PLE treatment, accounting for 73% and 8% of total carbohydrates, respectively. This procedure was also compared with other methodologies reported in the literature for the fractionation of honey carbohydrates (yeast treatment and extraction from activated charcoal). While the removal of monosaccharides was more efficient with yeast treatment, recovery of di- and trisaccharides was higher when either the PLE or the activated charcoal treatment was used. PLE was found to be the faster technique; it also required less solvent volume and minimized handling of the sample. © 2008 American Chemical Society.
URIhttp://hdl.handle.net/10261/62973
DOI10.1021/jf8014552
Identifiersdoi: 10.1021/jf8014552
issn: 0021-8561
Appears in Collections:(IQOG) Artículos
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