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| Content Provider | Springer Nature Link |
|---|---|
| Author | Carvalheiro, Florbela Silva Fernandes, Talita Duarte, Luís C. Gírio, Francisco M. |
| Copyright Year | 2008 |
| Abstract | Wheat straw was subjected to autohydrolysis treatments in order to selectively hydrolyze the hemicellulose fraction. The effects of temperature (150–240°C) and non-isothermal reaction time on the composition of both liquid and solid phases were evaluated and interpreted using the severity factor (log R $_{0}$). The operational conditions leading to the maximum recovery of hemicellulose-derived sugars were established for log R $_{0}$ = 3.96 and correspond to 64% of the original (arabino)xylan with 80% of sugars as xylooligosaccharides. Under these conditions, a solubilization of 58% xylan, 83% arabinan, and 98% acetyl groups occurred. Glucan was mainly retained in the solid phase (maximum solubilization 16%), which enables an enrichment of the solid phase to contain up to 61% glucan. Delignification was not extensive, being utmost 15%. The yields of soluble products, including sugars, acetic acid, and degradation compounds, such as, furfural, 5-hydroxymethylfurfural furfural obtained suggest the fitness of liquid stream for fermentation purposes or to obtain xylooligosaccharides with potential applications in food, pharmaceutical, and cosmetic industries. |
| Starting Page | 84 |
| Ending Page | 93 |
| Page Count | 10 |
| File Format | |
| ISSN | 02732289 |
| Journal | Applied Biochemistry and Biotechnology |
| Volume Number | 153 |
| Issue Number | 1-3 |
| e-ISSN | 15590291 |
| Language | English |
| Publisher | Humana Press Inc |
| Publisher Date | 2008-12-10 |
| Publisher Place | New York |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Autohydrolysis Pre-treatment Wheat straw Xylooligosaccharides Biochemistry Biotechnology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Medicine Molecular Biology Environmental Engineering Biochemistry Bioengineering Applied Microbiology and Biotechnology Biotechnology |
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