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Type: Artigo de periódico
Title: Separation And Purification Of Fructooligosaccharides On A Zeolite Fixed-bed Column
Author: Kuhn R.C.
Mazutti M.A.
Filho F.M.
Abstract: Fructooligosaccharides (FOS), a well-known prebiotic product, are obtained by enzymatic synthesis and consist of a mixture of mono- and disaccharides. In this work, a methodology for their separation and purification was developed using a zeolite fixed-bed column. The effects of column temperature (40-60°C), eluent flow rate (0.10-0.14 mL/min), injected to bed volume percent ratio (2.6-5.1%), and ethanol concentration in the eluent (40-60%, v/v) were investigated using a fractionary factorial design (24-1), having the separation efficiency and purity as target responses. Additional experiments were performed as well, where the temperature and ethanol concentration were studied in a central composite design (22). In this work, the zeolite fixed-bed column was shown to be a good alternative for FOS purification, allowing a FOS purity of 90% and separation efficiency of 6.86 between FOS and glucose, using an eluent at 45°C with 60% ethanol concentration. © 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Editor: Wiley-VCH Verlag
Rights: fechado
Identifier DOI: 10.1002/jssc.201300979
Date Issue: 2014
Appears in Collections:Unicamp - Artigos e Outros Documentos

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