G-lignin and hemicellulosic monosaccharides distinctively affect biomass digestibility in rapeseed
文献类型: 外文期刊
第一作者: Pei, Yanjie
作者: Pei, Yanjie;Li, Yuyang;Zhang, Youbing;Tu, Yuanyuan;Peng, Liangcai;Chen, Peng;Pei, Yanjie;Li, Yuyang;Zhang, Youbing;Fu, Tingdong;Zou, Jun;Tu, Yuanyuan;Peng, Liangcai;Chen, Peng;Pei, Yanjie;Li, Yuyang;Zhang, Youbing;Fu, Tingdong;Zou, Jun;Tu, Yuanyuan;Peng, Liangcai;Chen, Peng;Pei, Yanjie;Li, Yuyang;Zhang, Youbing;Fu, Tingdong;Zou, Jun;Tu, Yuanyuan;Peng, Liangcai;Chen, Peng;Yu, Changbing
作者机构:
关键词: Rapeseed;G-lignin;Hemicellulosic monosaccharide;Biomass digestibility;Enzymatic saccharification
期刊名称:BIORESOURCE TECHNOLOGY ( 影响因子:9.642; 五年影响因子:9.237 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: In this study, total 19 straw samples from four Brassica species were determined with a diverse cell wall composition and varied biomass enzymatic digestibility under sulfuric acid or lime pretreatment. Correlation analysis was then performed to detect effects of cell wall compositions and wall polymer features (cellulose crystallinity, hemicellulosic monosaccharides and lignin monomers) on rapeseeds biomass digestibility. As a result, coniferyl alcohol (G-lignin) showed a strongly negative effect on biomass saccharification, whereas hemicellulosic monosaccharides (fucose, galactose, arabinose and rhamnose) were positive factors on lignocellulose digestions. Notably, chemical analyses of four typical pairs of samples indicated that hemicellulosic monosaccharides and G-lignin may coordinately influence biomass digestibility in rapeseeds. In addition, Brassica napus with lower lignin content exhibited more efficiency on both biomass enzymatic saccharification and ethanol production, compared with Brassica junjea. Hence, this study has at first time provided a genetic strategy on cell wall modification towards bioenergy rapeseed breeding. (C) 2015 Elsevier Ltd. All rights reserved.
分类号: Q
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