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. 1981 Feb;41(2):430–436. doi: 10.1128/aem.41.2.430-436.1981

Production of Ethanol from d-Xylose by Using d-Xylose Isomerase and Yeasts

Cheng-Shung Gong 1, Li-Fu Chen 1, Michael C Flickinger 1, Lin-Chang Chiang 1, George T Tsao 1
PMCID: PMC243711  PMID: 16345717

Abstract

d-Xylulose, an intermediate of d-xylose catabolism, was observed to be fermentable to ethanol and carbon dioxide in a yield of greater than 80% by yeasts (including industrial bakers' yeast) under fermentative conditions. This conversion appears to be carried out by many yeasts known for d-glucose fermentation. In some yeasts, xylitol, in addition to ethanol, was produced from d-xylulose. Fermenting yeasts are also able to produce ethanol from d-xylose when d-xylose isomerizing enzyme is present. The results indicate that ethanol could be produced from d-xylose in a yield of greater than 80% by a two-step process. First, d-xylose is converted to d-xylulose by xylose isomerase. d-Xylulose is then fermented to ethanol by yeasts.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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