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Structural investigations of an arabinan from grape juice |
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| Authors: | JC Villettaz R Amado H Neukom |
| Institution: | Swiss Federal Institute of Technology, Department of Food Science, 2 Universitätstrasse, CH-8092, Zürich, Switzerland |
| Abstract: | An arabinan has been isolated from grape juice and purified by chromatography on polyamide and repeated ethanol precipitations. The structural identity of the arabinan was established by enzymatic degradation of the polysaccharide with a purified  -L-arabinofuranosidase and methylation analysis. The results obtained suggest that the arabinan consists of an (1 → 5)-linked backbone of L-arabinofuranosyl residues to which sidechains of L-arabinose are attached in the 3-position. |
| Keywords: | To whom all correspondence should be addressed |
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