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The synergism of hot water pretreatment and enzymatic hydrolysis in depolymerization of lignocellulosic content of palm kernel cake
Mi, Shuofu1; Li, Hongqiang1; Li, Shuying1,2; Han, Yejun1,3
2016-12-01
发表期刊JOURNAL OF MOLECULAR CATALYSIS B-ENZYMATIC
ISSN1381-1177
卷号134期号:DEC页码:37-42
摘要

Palm kernel cake (PKC), mainly composed of mannan, lignin and protein, is abundant renewable resource with commercial value. To develop clean and efficient way for PKC refinery, the method based on the synergism of hot water pretreatment (HWP), steam pretreatment (SP) and enzymatic hydrolysis were developed. HWP of 180 degrees C, 20 min and SP of 121 degrees C, 20min showed similar performance for sugar release from PKC. The main saccharides produced from PKC by HWP and SP were mannose and manno-oligosaccharides, while no furfural formed. The surface structure analyzed by SEM showed that HWP enhanced the microporosity of PKC, and the accessibility of which was increased thereafter. When HWP pretreated PKC was further hydrolyzed with enzyme cocktail (cellulase, xylanase, endo-mannanase), 45% of PKC was solubilized compared with the control. The manno-oligosaccharides produced by HWP and SP were converted to mannose and mannobiose by endo-mannanase. The results suggested that both HWP and SP promote enzymatic hydrolysis of PKC by releasing oligosaccharides and enhancing microporosity, and the synergism of which was effective for PKC decomposition. (C) 2016 Elsevier B.V. All rights reserved.

关键词Palm Kernel Cake Hot Water Pretreatment Endo-mannanase Microporosity
文章类型Article
WOS标题词Science & Technology ; Life Sciences & Biomedicine ; Physical Sciences
DOI10.1016/j.molcatb.2016.09.004
收录类别SCI
语种英语
关键词[WOS]BUTANOL-ETHANOL FERMENTATION ; BED BIOREACTOR
WOS研究方向Biochemistry & Molecular Biology ; Chemistry
WOS类目Biochemistry & Molecular Biology ; Chemistry, Physical
项目资助者National High Technology Research and Development Program of China (863)(2014AA021905) ; 100 Talents Program of institute of process engineering ; Chinese Academy of Sciences ; State Key Laboratory of Motor Vehicle Biofuel Technology(KFKT2014007)
WOS记录号WOS:000391074600006
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/21870
专题生化工程国家重点实验室
作者单位1.Chinese Acad Sci, Inst Proc Engn, Natl Key Lab Biochem Engn, Beijing 100190, Peoples R China
2.Jilin Agr Univ, Changchun 130118, Peoples R China
3.State Key Lab Motor Vehicle Biofuel Technol, Nanyang 473000, Peoples R China
推荐引用方式
GB/T 7714
Mi, Shuofu,Li, Hongqiang,Li, Shuying,et al. The synergism of hot water pretreatment and enzymatic hydrolysis in depolymerization of lignocellulosic content of palm kernel cake[J]. JOURNAL OF MOLECULAR CATALYSIS B-ENZYMATIC,2016,134(DEC):37-42.
APA Mi, Shuofu,Li, Hongqiang,Li, Shuying,&Han, Yejun.(2016).The synergism of hot water pretreatment and enzymatic hydrolysis in depolymerization of lignocellulosic content of palm kernel cake.JOURNAL OF MOLECULAR CATALYSIS B-ENZYMATIC,134(DEC),37-42.
MLA Mi, Shuofu,et al."The synergism of hot water pretreatment and enzymatic hydrolysis in depolymerization of lignocellulosic content of palm kernel cake".JOURNAL OF MOLECULAR CATALYSIS B-ENZYMATIC 134.DEC(2016):37-42.
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