期刊
FOOD MICROBIOLOGY
卷 53, 期 -, 页码 10-17出版社
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.fm.2015.07.011
关键词
Polysaccharides; Oenococcus oeni; Freeze drying; Malolactic starters
资金
- [ANR-10-ALIA-003]
Oenococcus oeni (O. oeni), which is the main species that drives malolactic fermentation (FML), an essential step for wine microbial stabilization and quality improvement, is known to produce exopoly-saccharides (EPS). Depending on the strain, these EPS can be soluble, remain attached to the cell or both. In the present study, fourteen strains were examined for eps gene content and EPS production capacities. Cell-linked and soluble heteropolysaccharides made of glucose, galactose and rhamnose, soluble beta-glucan, and soluble dextran or levan were found, depending on the strain. The protective potential of either cell-linked heteropolysaccharides or dextrans produced was then studied during freeze drying of the bacterial strains. (C) 2015 Elsevier Ltd. All rights reserved.
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