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Bioconversion of corn straw by coupling ensiling and solid-state fermentation
Alternative TitleBioresour. Technol.
Yang, XX; Chen, HZ; Gao, HL; Li, ZH
2001-07-01
Source PublicationBIORESOURCE TECHNOLOGY
ISSN0960-8524
Volume78Issue:3Pages:277-280
AbstractA two-stage process that combined solid-state fermentation (SSF) and ensiling was used for bioconversion of corn straw, in order to increase nutritional value and palatability for animal feed. SSF of corn straw increased the level of protein from 6.7% to 14.7% and decreased the cellulose by 38.0% and hemicellulose by 21.2%. Cellulase and xylanase were produced during SSF. After SSF, the fermented substrate was directly ensiled by inoculating with lactic acid bacteria (LAB). In situ produced enzymes and bacterial inoculation resulted in a rapid drop in pH, a high level of lactic acid production, partial degradation of cell wall components and generation of reducing sugars (RSs). Efficiency of ensiling at 25 degreesC, 30 degreesC, 35 degreesC, 40 degreesC was evaluated. Temperature influenced the effect of ensiling; the higher the temperature, the shorter the ensiling period. The combined fermentation upgraded the nutritional value, enhanced the efficiency of ensiling and reduced bioprocessing costs. (C) 2001 Elsevier Science Ltd. All rights reserved.; A two-stage process that combined solid-state fermentation (SSF) and ensiling was used for bioconversion of corn straw, in order to increase nutritional value and palatability for animal feed. SSF of corn straw increased the level of protein from 6.7% to 14.7% and decreased the cellulose by 38.0% and hemicellulose by 21.2%. Cellulase and xylanase were produced during SSF. After SSF, the fermented substrate was directly ensiled by inoculating with lactic acid bacteria (LAB). In situ produced enzymes and bacterial inoculation resulted in a rapid drop in pH, a high level of lactic acid production, partial degradation of cell wall components and generation of reducing sugars (RSs). Efficiency of ensiling at 25 degreesC, 30 degreesC, 35 degreesC, 40 degreesC was evaluated. Temperature influenced the effect of ensiling; the higher the temperature, the shorter the ensiling period. The combined fermentation upgraded the nutritional value, enhanced the efficiency of ensiling and reduced bioprocessing costs. (C) 2001 Elsevier Science Ltd. All rights reserved.
KeywordCorn Straw Solid-state Fermentation Ensiling Bioconversion
SubtypeArticle
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Technology
URL查看原文
Indexed BySCI
Language英语
WOS KeywordBETA-GLUCOSIDASE ; ANIMAL FEED ; CELLULASE ; HYDROLYSIS ; ENZYMES ; ALFALFA
WOS Research AreaAgriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS SubjectAgricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS IDWOS:000168325700010
Citation statistics
Cited Times:61[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/5732
Collection研究所(批量导入)
AffiliationChinese Acad Sci, Inst Chem Met, State Key Lab Biochem Engn, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Yang, XX,Chen, HZ,Gao, HL,et al. Bioconversion of corn straw by coupling ensiling and solid-state fermentation[J]. BIORESOURCE TECHNOLOGY,2001,78(3):277-280.
APA Yang, XX,Chen, HZ,Gao, HL,&Li, ZH.(2001).Bioconversion of corn straw by coupling ensiling and solid-state fermentation.BIORESOURCE TECHNOLOGY,78(3),277-280.
MLA Yang, XX,et al."Bioconversion of corn straw by coupling ensiling and solid-state fermentation".BIORESOURCE TECHNOLOGY 78.3(2001):277-280.
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