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Direct Production of l-Tagatose from l-Psicose by Enterobacter aerogenes 230S

Paper ID Volume ID Publish Year Pages File Format Full-Text
21524 43226 2008 8 PDF Available
Title
Direct Production of l-Tagatose from l-Psicose by Enterobacter aerogenes 230S
Abstract

l-Tagatose was produced directly from l-psicose by subjecting the same biomass suspension to microbial reduction followed by oxidation using a newly isolated bacteria Enterobacter aerogenes 230S. After various optimizations, it was observed that cells grown on xylitol have the best conversion potential. Moreover, E. aerogenes 230S converted l-psicose to l-tagatose at a faster rate in the presence of polyols such as glycerol, d-sorbitol, ribitol, l-arabitol, d-mannitol and xylitol. At 5% substrate concentration, the conversion ratio of l-psicose to l-tagatose was above 60% in the presence of glycerol. Identity of crystalline l-tagatose was confirmed by HPLC analysis, 13C-NMR spectra, and optical rotation.

Keywords
l-psicose; l-talitol; l-tagatose; Enterobacter aerogenes 230S
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Direct Production of l-Tagatose from l-Psicose by Enterobacter aerogenes 230S
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Bioscience and Bioengineering - Volume 106, Issue 5, November 2008, Pages 473–480
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us