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Ethanol production potential of ethanol-tolerant Saccharomyces and non-Saccharomyces yeasts

100%

Thammasittirong S. N.-R., Chamduang T., Phonrod U., Sriroth K.

Polish Journal of Microbiology

2012

tom 61

nr 3

Four ethanologenic ethanol-tolerant yeast strains, Saccharomyces cerevisiae (ATKU132), Saccharomycodes ludwigii (ATKU47), and Issa- tchenkia orientalis (ATKU5-60 and ATKU5-70), were isolated by an enrichment technique in yeast extract peptone dextrose (YPD) medium supplemented with 10% (v/v) ethanol at 30°C. Among non-Saccharomyces yeasts, Sd. ludwigii ATKU47 exhibited the highest ethanoltolerance and ethanol production, which was similar to S. cerevisiae ATKU132. The maximum range of ethanol concentrations produced at 37°C by S. cerevisiae ATKU132 and Sd. ludwigii ATKU47 from an initial D-glucose concentration of 20% (w/v) and 28% (w/v) sugarcane molasses were 9.46–9.82% (w/v) and 8.07–8.32% (w/v), respectively.

Ograniczanie wyników

1 Polish Journal of Microbiology

1 Chamduang T.

1 Phonrod U.

1 Sriroth K.

1 Thammasittirong S. N.-R.

1 2012

Wyniki wyszukiwania

Ethanol production potential of ethanol-tolerant Saccharomyces and non-Saccharomyces yeasts