芒属
生物量(生态学)
纤维素
木质素
化学
水解
半纤维素
酶水解
生物能源
原材料
蒸汽爆炸
食品科学
纤维素酶
农学
制浆造纸工业
生物燃料
生物技术
生物化学
生物
有机化学
工程类
作者
Dongfa Sun,Aftab Alam,Yuanyuan Tu,Shiguang Zhou,Yanting Wang,Tao Xia,Jiangfeng Huang,Ying Liu,Zahoor,Xiaoyang Wei,Bo Hu,Liangcai Peng
标识
DOI:10.1016/j.biortech.2017.04.114
摘要
In this study, total ten Miscanthus accessions exhibited diverse cell wall compositions, leading to largely varied hexoses yields at 17%-40% (% cellulose) released from direct enzymatic hydrolysis of steam-exploded (SE) residues. Further supplied with 2% Tween-80 into the enzymatic digestion, the Mis7 accession showed the higher hexose yield by 14.8-fold than that of raw material, whereas the Mis10 had the highest hexoses yield at 77% among ten Miscanthus accessions. Significantly, this study identified four wall polymer features that negatively affect biomass saccharification as p<0.05 or 0.01 in the SE residues, including cellulose DP, Xyl and Ara of hemicellulose, and S-monomer of lignin. Based on Simons' stain, the SE porosity (defined by DY/DB) was examined to be the unique positive factor on biomass enzymatic digestion. Hence, this study provides the potential strategy to enhance biomass saccharification using optimal biomass process technology and related genetic breeding in Miscanthus and beyond.
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