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Type: Artigo de periódico
Title: Isomaltulose production by free cells of Serratia plymuthica in a batch process
Author: Kawaguti, HY
Sato, HH
Abstract: Free cells of Serratia plymuthica were used to convert sucrose into isomaltulose and trehalulose reducing Sugars. The effects of substrate concentration and temperature were observed in a batch process with flasks shaken at 150 rpm. The experimental design and response surface methodology analysis indicated that the conversion parameters had significant influence (p < 0.05) on sucrose conversion, and that a valid model was obtained after an analysis of variance (F(model) = 10.48 > F(charted) = 5.79) to obtain a response surface and isocurve. Conversion was favoured when a 30% sucrose solution and temperature of 25 degrees C were used, which resulted in a high conversion into isomaltulose - over 70% - and 7-8% trehalulose. Small amounts of glucose (5-7%) and fructose (5-8%) were formed in the reaction medium. (C) 2009 Elsevier Ltd. All rights reserved.
Subject: Free cells
Response surface
Serratia plymuthica
Country: Inglaterra
Editor: Elsevier Sci Ltd
Rights: fechado
Identifier DOI: 10.1016/j.foodchem.2009.11.011
Date Issue: 2010
Appears in Collections:Unicamp - Artigos e Outros Documentos

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