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.

    We have a manual that explains all the features 

Record number 347821
Title Production of glucose syrups in highly concentrated systems
Author(s) Veen, M.E. van der; Goot, A.J. van der; Boom, R.M.
Source Biotechnology Progress 21 (2005)2. - ISSN 8756-7938 - p. 598 - 602.
DOI https://doi.org/10.1021/bp049893f
Department(s) Food Process Engineering
VLAG
Publication type Refereed Article in a scientific journal
Publication year 2005
Keyword(s) enzymatic-hydrolysis - alpha-glucosidase - kinetic-model - wheat-starch - glucoamylase - optimization - mechanism - extruder - reactor
Abstract We have investigated the hydrolysis of maltodextrins in a high concentration (up to 70%), by means of enzymatic and acid catalysis. The study revealed that the equilibrium compositions of the catalyzed reactions were kinetically determined by the selectivity of the catalyst, the substrate concentration and the reaction time. A model comprising a set of two kinetic equations was used to describe the hydrolysis and condensation reactions of glucoamylase-catalyzed reactions, even to highly concentrated systems. Increased substrate concentration resulted in the formation of more condensation products. The enzyme inhibition was low and was found to be independent of the substrate concentration.
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