Journal of Applied Glycoscience
Online ISSN : 1880-7291
Print ISSN : 1344-7882
ISSN-L : 1344-7882
Regular Papers
Continuous Production of β-D-Fructofuranosyl-(2→1)-2-acetamido-2-deoxy-α-D-glucopyranoside (N-Acetylsucrosamine) Using a Column Reactor Packed with β-Fructofuranosidase-containing Mycelia of Aspergillus oryzae Immobilized on a Porous Carrier
Hitoshi SatoSaeko YokochiTerumi KasamaTakako HiranoWataru HakamataToshiyuki Nishio
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Supplementary material

2012 Volume 59 Issue 4 Pages 153-160

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Abstract

We used Aspergillus oryzae mycelia containing a transfructosylation-catalyzing enzyme, β-fructofuranosidase, to establish a methodology for the large-scale production of N-acetylsucrosamine in a column bioreactor. A. oryzae mycelia containing the enzyme were grown in liquid culture and immobilized on Perlite macro-porous amorphous volcanic glass beads, which were then packed into the column reactor. Passing a solution containing 10% sucrose and 20% 2-acetamido-2-deoxy-D-glucose through the reactor resulted in the steady production of N-acetylsucrosamine for at least 30 days and provided a yield of at least 27.5% (molar yield) from sucrose. N-Acetylsucrosamine was isolated easily and in high yield (from 83.4 to 96.9%) from the column reactor eluate after preprocessing by yeast β-fructofuranosidase or by whole yeast cells.

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© 2012 by The Japanese Society of Applied Glycoscience
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