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Exploring the potential of lactic acid production from lignocellulosic hydrolysates with various ratios of hexose versus pentose by Bacillus coagulans IPE22
Wang, Yujue1,2; Cao, Weifeng1; Luo, Jianquan1,2; Wan, Yinhua1,2
2018-08-01
Source PublicationBIORESOURCE TECHNOLOGY
ISSN0960-8524
Volume261Pages:342-349
AbstractThe aim of this study was to investigate the feasibility of utilizing different lignocellulosic hydrolysates with various hexose versus pentose (H: P) ratios to produce lactic acid (LA) from Bacillus coagulans IPE22 by fermentations with single and mixed sugar. In single sugar utilization, glucose tended to promote LA production, and xylose preferred to enhance cell growth. In mixed sugar utilization, glucose and pentose were consumed simultaneously when glucose concentration was lower than 20 g/L, and almost the same concentration of LA (50 g/L) was obtained regardless of the differences of H: P values. Finally, LA production from corn cob hydrolysates (CCH) contained 60 g/L mixed sugar verified the mechanisms found in the fermentations with simulated sugar mixture. Comparing with single glucose utilization, CCH utilization was faster and the yield of LA was not significantly affected. Therefore, the great potential of producing LA with lignocellulosic materials by B. coagulans was proved.
KeywordLactic acid Bacillus coagulans Lignocellulosic hydrolysates Ratios of hexose versus pentose Oxidant-reductive potential
DOI10.1016/j.biortech.2018.03.135
Language英语
WOS KeywordHIGHLY EFFICIENT PRODUCTION ; HIGH OPTICAL PURITY ; BIOETHANOL PRODUCTION ; SUCCINIC ACID ; WHEAT-STRAW ; CORN STOVER ; FERMENTATION ; SACCHARIFICATION ; BIOREFINERY ; BAGASSE
Funding ProjectBeijing Natural Science Foundation, China[5182025] ; National Natural Science Foundation of China, China[21406240] ; National High Technology Research and Development Program of China[2015AA021002] ; National High Technology Research and Development Program of China[2014AA021005]
WOS Research AreaAgriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS SubjectAgricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
Funding OrganizationBeijing Natural Science Foundation, China ; National Natural Science Foundation of China, China ; National High Technology Research and Development Program of China
WOS IDWOS:000433211600041
PublisherELSEVIER SCI LTD
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Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/24939
Collection中国科学院过程工程研究所
Corresponding AuthorWan, Yinhua
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Biochem Engn, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Wang, Yujue,Cao, Weifeng,Luo, Jianquan,et al. Exploring the potential of lactic acid production from lignocellulosic hydrolysates with various ratios of hexose versus pentose by Bacillus coagulans IPE22[J]. BIORESOURCE TECHNOLOGY,2018,261:342-349.
APA Wang, Yujue,Cao, Weifeng,Luo, Jianquan,&Wan, Yinhua.(2018).Exploring the potential of lactic acid production from lignocellulosic hydrolysates with various ratios of hexose versus pentose by Bacillus coagulans IPE22.BIORESOURCE TECHNOLOGY,261,342-349.
MLA Wang, Yujue,et al."Exploring the potential of lactic acid production from lignocellulosic hydrolysates with various ratios of hexose versus pentose by Bacillus coagulans IPE22".BIORESOURCE TECHNOLOGY 261(2018):342-349.
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