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|Type:||Artigo de periódico|
|Title:||Isomaltulose production by free cells of Serratia plymuthica in a batch process|
|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.|
|Editor:||Elsevier Sci Ltd|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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