Efficient and Comprehensive Utilization of Hemicellulose in the Corn Stover

›› 2009, Vol. 17 ›› Issue (2): 350-354.

• RESEARCH NOTES • Previous Articles Next Articles

Efficient and Comprehensive Utilization of Hemicellulose in the Corn Stover

GAO Pengfei^1,2,3, FAN Daidi^1,2,3, LUO Yan'e^1,2,3, MA Xiaoxuan^1,2,3, MA Pei^1,2,3, HUI Junfeng^1,2,3, ZHU Chenhui^1,2

1. Shaanxi Key Laboratory of Degradable Biomedical Materials, Northwest University, Xi'an 710069, China;
2. Shaanxi R&D Center of Biomaterial and Fermentation Engineering, Northwest University, Xi'an 710069, China;
3. College of Chemical Engineering, Northwest University, Xi'an 710069, China

Received:2008-11-28 Revised:2009-02-25 Online:2009-04-28 Published:2009-04-28
Supported by:
Supported by the Agriculture Application Investigation and Improvement Item of New Countryside Construction and Promotion Project of the Bureau of Science and Technology in Xi'an (NC08005)

Efficient and Comprehensive Utilization of Hemicellulose in the Corn Stover

高鹏飞^1,2,3, 范代娣^1,2,3, 骆艳娥^1,2,3, 马晓轩^1,2,3, 马沛^1,2,3, 惠俊峰^1,2,3, 朱晨辉^1,2

1. Shaanxi Key Laboratory of Degradable Biomedical Materials, Northwest University, Xi'an 710069, China;
2. Shaanxi R&D Center of Biomaterial and Fermentation Engineering, Northwest University, Xi'an 710069, China;
3. College of Chemical Engineering, Northwest University, Xi'an 710069, China

通讯作者: FAN Daidi,E-mail:fandaidi@nwu.edu.cn
基金资助:
Supported by the Agriculture Application Investigation and Improvement Item of New Countryside Construction and Promotion Project of the Bureau of Science and Technology in Xi'an (NC08005)

Abstract

Abstract: Pretreatment of the corn stover powder by dilute sulphuric acid(solid-liquid ratio 1:20) at 130℃ for 30 min was carried out with 89.09% of the hemicellulose removed.After filtration,the xylose-rich corn stover pretreatment liquid,whose fermentable sugar was from hemicellulose hydrolysis only,consisting of 81.16% xylose and 15.27% glucose,was used to cultivate genetic recombinant Escherichia coli BL21 with human-like collagen(HLC) expression enhanced by 50.00% and 63.71% xylose consumption.

Key words: corn stover, Escherichia coli BL21, human-like collagen, combined sugar

摘要： Pretreatment of the corn stover powder by dilute sulphuric acid(solid-liquid ratio 1:20) at 130℃ for 30 min was carried out with 89.09% of the hemicellulose removed.After filtration,the xylose-rich corn stover pretreatment liquid,whose fermentable sugar was from hemicellulose hydrolysis only,consisting of 81.16% xylose and 15.27% glucose,was used to cultivate genetic recombinant Escherichia coli BL21 with human-like collagen(HLC) expression enhanced by 50.00% and 63.71% xylose consumption.

关键词: corn stover, Escherichia coli BL21, human-like collagen, combined sugar

GAO Pengfei, FAN Daidi, LUO Yan'e, MA Xiaoxuan, MA Pei, HUI Junfeng, ZHU Chenhui. Efficient and Comprehensive Utilization of Hemicellulose in the Corn Stover[J]. , 2009, 17(2): 350-354.

高鹏飞, 范代娣, 骆艳娥, 马晓轩, 马沛, 惠俊峰, 朱晨辉. Efficient and Comprehensive Utilization of Hemicellulose in the Corn Stover[J]. , 2009, 17(2): 350-354.

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Efficient and Comprehensive Utilization of Hemicellulose in the Corn Stover

Efficient and Comprehensive Utilization of Hemicellulose in the Corn Stover

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