Purification of fructooligosaccharides by immobilized yeast cells and identification of ethyl ß-D-fructofuranoside as a novel glycoside formed during the process.
Bioresour Technol
; 132: 365-9, 2013 Mar.
Article
em En
| MEDLINE
| ID: mdl-23186684
ABSTRACT
A yeast strain (XS1) capable of selective utilization of fructooligosaccharides (FOSs) syrup was identified as Wickerhamomyces anomala. Cells of W. anomala XS1 were immobilized in calcium alginate and incubated with an FOS mixture at 30 °C. The purity of the FOS increased from 54.4% to 80.1% (w/w) as 93.6% of monosaccharides were metabolized while the oligosaccharides were not affected. The immobilized yeast cells could be recycled 10 times and the corresponding batch treatments achieved FOS purities around 80%. Thus, the method could be promising for large-scale purification of FOS syrup at low cost. A byproduct formed by the yeast was identified as ethyl ß-D-fructofuranoside by MS and NMR spectroscopy.
Texto completo:
1
Base de dados:
MEDLINE
Assunto principal:
Oligossacarídeos
/
Biotecnologia
/
Saccharomycetales
/
Glicosídeos
Tipo de estudo:
Diagnostic_studies
Idioma:
En
Revista:
Bioresour Technol
Assunto da revista:
ENGENHARIA BIOMEDICA
Ano de publicação:
2013
Tipo de documento:
Article