Xylo-oligosaccharides enriched yeast protein feed production from reed sawdust

被引：13

作者：

Chen, Meixia ^{[1
]}

Li, Qiang ^{[2
]}

Zhang, Ya ^{[1
]}

Li, Haiming ^{[1
]}

Lu, Jie ^{[1
]}

Cheng, Yi ^{[1
]}

Wang, Haisong ^{[1
]}

机构：

[1] Dalian Polytech Univ, Liaoning Key Lab Pulp & Papermaking Engn, Dalian 116034, Liaoning, Peoples R China

[2] Texas A&M Univ, Dept Plant Pathol & Microbiol, College Stn, TX 77840 USA

来源：

BIORESOURCE TECHNOLOGY | 2018年 / 270卷

关键词：

Reed sawdust; Synchronous saccharification and fermentation; Xylo-oligosaccharide; Protein feed; ENZYMATIC-HYDROLYSIS; SIMULTANEOUS SACCHARIFICATION; BIOETHANOL PRODUCTION; INTEGRATED PROCESS; FERMENTATION; AUTOHYDROLYSIS; PRETREATMENT; ADDITIVES; CORNCOB; ETHANOL;

D O I：

10.1016/j.biortech.2018.09.127

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

The aim of this study was to convert the cellulose and hemicellulose, in reed sawdust from the pulp mills, into yeast protein and xylo-oligosaccharide, then functionalize xylo-oligosaccharide as yeast feed. Both synchronous saccharification and fermentation and separate hydrolysis and fermentation of cellulase and Candida utilis were investigated to produce protein feed. By optimizing the fermentation conditions, 6.1 g/L of protein with 76.1% (7.1 g/L) xylo-oligosaccharide as the sugar was obtained. The final glucan and xylan utilization efficiencies in reed sawdust were 85.45% and 91.03%, respectively. Xylo-oligosaccharide enriched yeast protein feed from reed sawdust was thus realized by pretreatment, enzymatic hydrolysis and synchronous saccharification and fermentation.

引用

页码：738 / 741

页数：4

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