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| Content Provider | Springer Nature Link |
|---|---|
| Author | Lee, Hawon Cho, Dae Haeng Kim, Yong Hwan Shin, Soo Jeong Kim, Sung Bong Han, Sung Ok Lee, Jinwon Kim, Seung Wook Park, Chulhwan |
| Copyright Year | 2011 |
| Abstract | The hydrolysis which converts polysaccharides to the fermentable sugars for yeast’s lingocellulosic ethanol production also generates byproducts which inhibit the ethanol production. To investigate the extent to which inhibitory compounds affect yeast’s growth and ethanol production, fermentations by Saccharomyces cerevisiae K35 were investigated in various concentrations of acetic acid, furfural, 5-hydroxymethylfurfural (5-HMF), syringaldehyde, and coumaric acid. Fermentation in hydrolysates from yellow poplar and waste wood was also studied. After 24 h, S. cerevisiae K35 produced close to theoretically predicted ethanol yields in all the concentrations of acetic acid tested (1 ∼ 10 g/L). Both furans and phenolics inhibited cell growth and ethanol production. Ethanol yield, however, was unaffected, even at high concentrations, except in the cases of 5 g/L of syringaldehyde and coumaric acid. Although hydrolysates contain various toxic compounds, in their presence, S. Cerevisiae K35 consumed close to all the available glucose and yielded more ethanol than theoretically predicted. S. Cerevisiae K35 was demonstrated to have high tolerance to inhibitory compounds and not to need any detoxification for ethanol production from hydrolysates. |
| Starting Page | 755 |
| Ending Page | 760 |
| Page Count | 6 |
| File Format | |
| ISSN | 12268372 |
| Journal | Biotechnology and Bioprocess Engineering |
| Volume Number | 16 |
| Issue Number | 4 |
| e-ISSN | 19763816 |
| Language | English |
| Publisher | The Korean Society for Biotechnology and Bioengineering |
| Publisher Date | 2011-10-05 |
| Publisher Place | Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Saccharomyces cerevisiae ethanol lignocelluloses inhibitor hydrolysate Biotechnology Industrial and Production Engineering |
| Content Type | Text |
| Resource Type | Article |
| Subject | Bioengineering Biomedical Engineering Applied Microbiology and Biotechnology Biotechnology |
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