Production of high-value beta-1,3-glucooligosaccharides by microwave-assisted hydrothermal hydrolysis of curdlan
- Authors
- Wang, Damao; Kim, Do Hyoung; Yoon, Jeong-Jun; Kim, Kyoung Heon
- Issue Date
- 1월-2017
- Publisher
- ELSEVIER SCI LTD
- Keywords
- Curdlan; beta-1,3-Glucooligosaccharides; Hydrothermal hydrolysis; beta-1,3-Glucan
- Citation
- PROCESS BIOCHEMISTRY, v.52, pp.233 - 237
- Indexed
- SCIE
SCOPUS
- Journal Title
- PROCESS BIOCHEMISTRY
- Volume
- 52
- Start Page
- 233
- End Page
- 237
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/85066
- DOI
- 10.1016/j.procbio.2016.11.005
- ISSN
- 1359-5113
- Abstract
- We report the first hydrothermal hydrolysis of curdlan, a water insoluble beta-1,3-glucan, to produce beta-1,3-glucooligosaccharides, which are high-value materials with health-benefiting activities. In this study, hydrothermal hydrolysis was tested for the liquefaction and saccharification of curdlan. The optimal hydrothermal hydrolysis conditions were 180 degrees C and 60min, respectively, resulting in a high degree of liquefaction (98.4%) and low by product formation. Under the optimal conditions, 17.47 g/L of beta-1,3-glucooligosaccharides was produced from 20 g/L of curdlan, representing a conversion yield of 87.4% (w/w). Using this process, beta-1,3-glucooligosaccharides were conveniently produced in a one-step reaction without any chemicals or enzymes. This hydrothermal hydrolysis for curdlan exhibited the best performance among various hydrolysis processes reported to date. This method can be applied to large-scale production of beta-1,3-glucooligosaccharides for the functional food and biopharmaceutical industries. (C) 2016 Elsevier Ltd. All rights reserved.
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