Production of dextran by leuconostoc mesenteroides TISTR 053 in fed batch fermentation

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Piyarat Nuwan
Phakphimol Piwpan
Adisak Jaturapiree
Phimchanok Jaturapiree

Abstract

Dextran is a natural homopolysaccharide composed of α(1,6)-linkages in their major chain and is synthesized by dextransucrase of the microbial cell in the presence of sucrose as a substrate. The production of dextran by sucrose fermentation using Leuconostoc mesenteroides TISTR 053 was carried out in a Biostat B plus fermenter with total working volume of 3 liter. The effects of sucrose concentrations and modes of operation (batch and fed batch) were studied. The maximum dextran production obtained after 24 hours of incubation at 37 oC with 20% sucrose in batch fermentation. The fed batch fermentation promoted the dextran productivity. The structure of dextran was determined and confirmed by FTIR and NMR.

Article Details

How to Cite
Nuwan, P., Piwpan, P., Jaturapiree, A., & Jaturapiree, P. (2016). Production of dextran by leuconostoc mesenteroides TISTR 053 in fed batch fermentation. Asia-Pacific Journal of Science and Technology, 21(2), 366–375. https://doi.org/10.14456/kkurj.2016.45
Section
Research Articles

References

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