Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 476818
Title Improved starch recovery from potatoes by enzymes and reduced water holding of the residual fibres
Author(s) Ramaswamy, U.R.; Lips, S.J.J.; Bakker, R.R.; Gruppen, H.; Kabel, M.A.
Source Carbohydrate Polymers 113 (2014). - ISSN 0144-8617 - p. 256 - 263.
DOI https://doi.org/10.1016/j.carbpol.2014.07.019
Department(s) Food Chemistry Group
FBR BP Biorefinery & Sustainable Value Chains
VLAG
Publication type Refereed Article in a scientific journal
Publication year 2014
Keyword(s) dietary fiber - in-vitro - polygalacturonase - capacity
Abstract During the industrial extraction of starch from potatoes (Seresta), some starch remains within undisrupted potato cells in the fibrous side-stream. The aim of this study was to investigate if enzymatic degradation of cell wall polysaccharides (CWPs) can enhance starch recovery and lower the water holding capacity (WHC) of the “fibre” fraction. The use of a pectinase-rich preparation recovered 58% of the starch present in the “fibre” fraction. Also, the “fibre” fraction retained only 40% of the water present in the non-enzyme treated “fibre”. This was caused by the degradation of pectins, in particular arabinogalactan side chains calculated as the sum of galactosyl and arabinosyl residues.
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