| 预处理对木质纤维素生物质细胞壁超微结构的影响 |
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| 引用本文： | 吉喆,凌喆,张逊,马建峰,许凤.预处理对木质纤维素生物质细胞壁超微结构的影响[J].生物工程学报,2014,30(5):707-715. |
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| 作者姓名： | 吉喆 凌喆 张逊 马建峰 许凤 |
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| 作者单位： | 北京林业大学林木生物质化学北京市重点实验室，北京 100083;北京林业大学林木生物质化学北京市重点实验室，北京 100083;北京林业大学林木生物质化学北京市重点实验室，北京 100083;北京林业大学林木生物质化学北京市重点实验室，北京 100083;北京林业大学林木生物质化学北京市重点实验室，北京 100083 |
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| 基金项目： | 科技部十二五科技支撑计划项目 (No. 2012BAD32B06)，国家杰出青年科学基金 (No. 31225005)，教育部科技计划项目 (No. 113014A) 资助。 |
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| 摘 要： | 预处理是提高木质纤维素生物质向生物燃料转化的有效途径,但生物质的天然抗降解屏障严重阻碍了这一转化的进行,因此全面了解预处理过程中植物细胞壁的微观结构及区域化学变化是实现农林生物质高效转化的基础。本文总结了多种预处理方法对植物细胞壁超微结构影响的研究进展,对生物质科学研究可能有一定的促进和指导作用。
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| 关 键 词： | 生物质预处理 组分分布 微观结构 纤维素 半纤维素 木质素 酶水解 |
| 收稿时间： | 2014/2/13 0:00:00 |
Effect of pretreatment on topochemical and ultrastructural changes of lignocellulose plant cell walls: a review |
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| Zhe Ji,Zhe Ling,Xun Zhang,Jianfeng Ma and Feng Xu.Effect of pretreatment on topochemical and ultrastructural changes of lignocellulose plant cell walls: a review[J].Chinese Journal of Biotechnology,2014,30(5):707-715. |
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| Authors: | Zhe Ji Zhe Ling Xun Zhang Jianfeng Ma and Feng Xu |
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| Institution: | Beijing Key Laboratory of Lignocellulosic Chemistry, Beijing Forestry University, Beijing 100083, China;Beijing Key Laboratory of Lignocellulosic Chemistry, Beijing Forestry University, Beijing 100083, China;Beijing Key Laboratory of Lignocellulosic Chemistry, Beijing Forestry University, Beijing 100083, China;Beijing Key Laboratory of Lignocellulosic Chemistry, Beijing Forestry University, Beijing 100083, China;Beijing Key Laboratory of Lignocellulosic Chemistry, Beijing Forestry University, Beijing 100083, China |
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| Abstract: | Deconstruction of lignocellulosic plant cell walls to fermentable sugars by biochemical means is impeded by several poorly understood ultrastructural and chemical barriers. Pretreatment is an essential step by altering the morphological and compositional characteristics of biomass to enhance the sugar release during enzymatic hydrolysis. Therefore, getting insight into this field is necessary to improve the conversion of biomass into biofuels. In this review, we highlight our recent understanding on the impact of various promising pretreatments on biomass, with emphasis on the topochemical and ultrastructural changes of plant cell walls that are related to the reduction of recalcitrance and the consequence of saccharification. It will lend support to the scientific research and development with respect to biomass conversion. |
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| Keywords: | biomass pretreatment compositional distribution ultrastructure cellulose hemicelluloses lignin enzymatic hydrolysis |
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