Journal Article A novel production method for high-fructose glucose syrup from sucrose-containing biomass by a newly isolated strain of osmotolerant meyerozyma guilliermondii

Khattab, Sadat Mohammad Rezq  ,  Kodaki, Tsutomu

26 ( 4 )  , pp.675 - 683 , 2016-04-28 , Korean Society for Microbiolog and Biotechnology
The article has been accepted for publication in Journal of Microbiology and Biotechnology published by the Korean Society for Microbiology and Biotechnology.
One osmotolerant strain from among 44 yeast isolates was selected based on its growth abilities in media containing high concentrations of sucrose. This selected strain, named SKENNY, was identified as Meyerozyma guilliermondii by sequencing the internal transcribed spacer regions and partial D1/D2 large-subunit domains of the 26S ribosomal RNA. SK-ENNY was utilized to produce high-fructose glucose syrup (HFGS) from sucrose-containing biomass. Conversion rates to HFGS from 310-610 g/l of pure sucrose and from 75-310 g/l of sugar beet molasses were 73.5-94.1% and 76.2-91.1%, respectively. In the syrups produced, fructose yields were 89.4-100% and 96.5-100% and glucose yields were 57.6-82.5% and 55.3-79.5% of the theoretical values for pure sucrose and molasses sugars, respectively. This is the first report of employing M. guilliermondii for production of HFGS from sucrose-containing biomass.

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