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Environmentally Friendly Approach for the Production of Glucose and High-Purity Xylooligosaccharides from Edible Biomass Byproducts
| Content Provider | MDPI |
|---|---|
| Author | Jang, Soo-Kyeong Jung, Chan-Duck Yu, Ju-Hyun Kim, Hoyong |
| Copyright Year | 2020 |
| Description | Xylooligosaccharides (XOS) production from sweet sorghum bagasse (SSB) has been barely studied using other edible biomasses. Therefore, we evaluated the XOS content as well as its purity by comparing the content of total sugars from SSB. An environmentally friendly approach involving autohydrolysis was employed, and the reaction temperature and time had variations in order to search for the conditions that would yield high-purity XOS. After autohydrolysis, the remaining solid residues, the glucan-rich fraction, were used as substrates to be enzymatically hydrolyzed for glucose conversion. The highest XOS was observed for total sugars (68.7%) at 190 °C for 5 min among the autohydrolysis conditions. However, we also suggested two alternative conditions, 180 °C for 20 min and 190 °C for 15 min, because the former condition might have the XOS at a low degree of polymerization with a high XOS ratio (67.6%), while the latter condition presented a high glucose to total sugar ratio (91.4%) with a moderate level XOS ratio (64.4%). Although it was challenging to conclude on the autohydrolysis conditions required to obtain the best result of XOS content and purity and glucose yield, this study presented approaches that could maximize the desired product from SSB, and additional processes to reduce these differences in conditions may warrant further research. |
| Starting Page | 8119 |
| e-ISSN | 20763417 |
| DOI | 10.3390/app10228119 |
| Journal | Applied Sciences |
| Issue Number | 22 |
| Volume Number | 10 |
| Language | English |
| Publisher | MDPI |
| Publisher Date | 2020-11-16 |
| Access Restriction | Open |
| Subject Keyword | Applied Sciences Paper and Wood Xylooligosaccharides Autohydrolysis Enzymatic Hydrolysis Sweet Sorghum Bagasse |
| Content Type | Text |
| Resource Type | Article |
