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Microbial components of kefir grains as exopolysaccharide kefiran producers

Microbial components of kefir grains as exopolysaccharide kefiran producers The screening of lactic-acid polysaccharide-synthesizing the bacteria, components of kefir grains, has shown that about 60% of isolates can synthesize exopolysaccharides (EPSs). We selected the most actively synthesizing EPSs cultures during development on a medium with lactose or sucrose: Lactococcus lactis and Leuconostoc mesenteroides, respectively. IR-spectroscopy confirmed the identity of the compositions of the synthesized EPSs with polysaccharides of kefir grains. We also determined the parameters for culturing L. mesenteroides on whey with added sucrose that provides a kefiran production level up to 3.4 g/L were developed. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Applied Biochemistry and Microbiology Springer Journals

Microbial components of kefir grains as exopolysaccharide kefiran producers

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References (19)

Publisher
Springer Journals
Copyright
Copyright © 2015 by Pleiades Publishing, Inc.
Subject
Life Sciences; Biochemistry, general; Microbiology; Medical Microbiology
ISSN
0003-6838
eISSN
1608-3024
DOI
10.1134/S0003683815090045
Publisher site
See Article on Publisher Site

Abstract

The screening of lactic-acid polysaccharide-synthesizing the bacteria, components of kefir grains, has shown that about 60% of isolates can synthesize exopolysaccharides (EPSs). We selected the most actively synthesizing EPSs cultures during development on a medium with lactose or sucrose: Lactococcus lactis and Leuconostoc mesenteroides, respectively. IR-spectroscopy confirmed the identity of the compositions of the synthesized EPSs with polysaccharides of kefir grains. We also determined the parameters for culturing L. mesenteroides on whey with added sucrose that provides a kefiran production level up to 3.4 g/L were developed.

Journal

Applied Biochemistry and MicrobiologySpringer Journals

Published: Oct 31, 2015

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