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Effect of periodically dynamic changes of air on cellulase production in solid-state fermentation
Alternative TitleEnzyme Microb. Technol.
Xu, FJ; Chen, HZ; Li, ZH
2002-01-08
Source PublicationENZYME AND MICROBIAL TECHNOLOGY
ISSN0141-0229
Volume30Issue:1Pages:45-48
AbstractIn solid-state fermentation, the shear forces caused by rotation and agitation damage or disrupt fungal mycelia and reduce the porosity of the substrates, while the forces led by dynamic changes of air (including air pressure pulsation and internal circulation) are not shearing but normal. The substrates, which are more effectively utilized in the solid-state culture with periodically dynamic changes of air (dynamic culture), are looser and provide more room for fungal propagation than in the static culture. The maximum average filter paper enzyme activity (FPA) in the dynamic culture with the fermentation period 60 h is 20.4 IU/g at a bed height of 9.0 cm while the maximum average FPA is 10.8 IU/g in the static culture with the fermentation period 84 h. (C) 2002 Elsevier Science Inc. All rights reserved.; In solid-state fermentation, the shear forces caused by rotation and agitation damage or disrupt fungal mycelia and reduce the porosity of the substrates, while the forces led by dynamic changes of air (including air pressure pulsation and internal circulation) are not shearing but normal. The substrates, which are more effectively utilized in the solid-state culture with periodically dynamic changes of air (dynamic culture), are looser and provide more room for fungal propagation than in the static culture. The maximum average filter paper enzyme activity (FPA) in the dynamic culture with the fermentation period 60 h is 20.4 IU/g at a bed height of 9.0 cm while the maximum average FPA is 10.8 IU/g in the static culture with the fermentation period 84 h. (C) 2002 Elsevier Science Inc. All rights reserved.
KeywordSolid-state Fermentation (Ssf) Air Pulsation Cellulase Dynamic Culture Static Culture
SubtypeArticle
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
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Indexed BySCI
Language英语
WOS KeywordCULTIVATION ; REACTOR
WOS Research AreaBiotechnology & Applied Microbiology
WOS SubjectBiotechnology & Applied Microbiology
WOS IDWOS:000173306700007
Citation statistics
Cited Times:35[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/5659
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
Xu, FJ,Chen, HZ,Li, ZH. Effect of periodically dynamic changes of air on cellulase production in solid-state fermentation[J]. ENZYME AND MICROBIAL TECHNOLOGY,2002,30(1):45-48.
APA Xu, FJ,Chen, HZ,&Li, ZH.(2002).Effect of periodically dynamic changes of air on cellulase production in solid-state fermentation.ENZYME AND MICROBIAL TECHNOLOGY,30(1),45-48.
MLA Xu, FJ,et al."Effect of periodically dynamic changes of air on cellulase production in solid-state fermentation".ENZYME AND MICROBIAL TECHNOLOGY 30.1(2002):45-48.
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