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题名:
Co-extraction of soluble and insoluble sugars from energy sorghum based on a hydrothermal hydrolysis process
作者: Yu, Qiang1; Tan, Xuesong1; Zhuang, Xinshu1; Wang, Qiong1,2; Wang, Wen1; Qi, Wei1; Zhou, Guixiong1; Luo, Yu3; Yuan, Zhenhong1,4
刊名: BIORESOURCE TECHNOLOGY
出版日期: 2016-12-01
卷号: 221, 页码:111-120
关键词: Energy sorghum ; Hydrolysis ; Hemicellulose ; Cellulose ; Lignin
DOI: 10.1016/j.biortech.2016.08.118
文章类型: Article
英文摘要: A process for co-extraction of soluble and insoluble sugars from energy sorghum (ES) was developed based on hydrothermal hydrolysis (HH). Two series of ES were investigated: one (N) with a high biomass yield displayed a higher recalcitrance to sugar release, whereas the second (T) series was characterized by high sugar extraction. The highest total xylose recoveries of 87.2% and 98.7% were obtained for N-11 and T-106 under hydrolysis conditions of 180 degrees C for 50 min and 180 degrees C for 30 min, respectively. Moreover, the T series displayed higher enzymatic digestibility (ED) than the N series. The high degree of branching (arabinose/xylose ratio) and acetyl groups in the hemicellulose chains of T-106 would be expected to accelerate sugar release during the HH process. In addition, negative correlations between ED and the lignin content, crystallinity index (CrI) and syringyl/guaiacyl (S/G) lignin ratio were observed. Furthermore, finding ways to overcome the thickness of the cell wall and heterogeneity of its chemical composition distribution would make cellulose more accessible to the enzyme. (C) 2016 Elsevier Ltd. All rights reserved.
WOS标题词: Science & Technology ; Life Sciences & Biomedicine ; Technology
类目[WOS]: Agricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
研究领域[WOS]: Agriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
关键词[WOS]: LIQUID HOT-WATER ; SOLID-STATE NMR ; SWEET SORGHUM ; ETHANOL-PRODUCTION ; ENZYMATIC DIGESTIBILITY ; BAGASSE ; PRETREATMENT ; SACCHARIFICATION ; FERMENTATION ; SWITCHGRASS
收录类别: SCI
项目资助者: Pearl River S&T Nova Program of Guangzhou, China(201610010110) ; National Basic Research Program of China(2012CB215304) ; National Natural Science Foundation of China(21476233 ; Science and Technology Planning Project of Guangdong Province, China(2014A010106023) ; Key Project of the Natural Science Foundation of Guangdong Province(2015A030311022) ; Youth Innovation Promotion Association, CAS(2015289) ; 2015A030311022)
语种: 英语
WOS记录号: WOS:000386241000015
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.giec.ac.cn/handle/344007/13750
Appears in Collections:中国科学院广州能源研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangdong Key Lab New & Renewable Energy Res & De, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
3.Bur Environm Protect Shuangtaizi Dist, Panjin 124000, Peoples R China
4.Collaborat Innovat Ctr Biomass Energy, Zhengzhou 450002, Henan Province, Peoples R China

Recommended Citation:
Yu, Qiang,Tan, Xuesong,Zhuang, Xinshu,et al. Co-extraction of soluble and insoluble sugars from energy sorghum based on a hydrothermal hydrolysis process[J]. BIORESOURCE TECHNOLOGY,2016,221:111-120.
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