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A novel steam explosion sterilization improving solid-state fermentation performance
Zhao, Zhi-Min1,2; Wang, Lan1; Chen, Hong-Zhang1
2015-09-01
Source PublicationBIORESOURCE TECHNOLOGY
ISSN0960-8524
Volume192Issue:SEPPages:547-555
AbstractTraditional sterilization of solid medium (SM) requires lengthy time, degrades nutrients, and even sterilizes inadequately compared with that of liquid medium due to its low thermal conductivity. A novel sterilization strategy, high-temperature and short-time steam explosion (SE), was exploited for SM sterilization in this study. Results showed that SE conditions for complete sterilization were 172 degrees C for 2 min and 128 degrees C for 5 min. Glucose and xylose contents in medium after SE sterilization increased by 157% and 93% respectively compared with those after conventional sterilization (121 degrees C, 20 min) while fermentation inhibitors were not detected. FTIR spectra revealed that the mild SE conditions helped to release monosaccharides from the polysaccharides. Bacillus subtilis fermentation productivity on medium after SE sterilization was 3.83 times of that after conventional sterilization. Therefore, SE shortened sterilization time and improved SM nutrition, which facilitated fermentability of SM and should promote economy of solid-state fermentation. (C) 2015 Elsevier Ltd. All rights reserved.
KeywordSterilization Steam Explosion Nutrition Solid Medium Image Processing
SubtypeArticle
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Technology
DOI10.1016/j.biortech.2015.05.099
Indexed BySCI
Language英语
WOS KeywordWHEAT BRAN ; HEAT STERILIZATION ; CORN STOVER ; BIOMASS ; FRACTIONATION ; PRETREATMENT ; SPECTROSCOPY ; TEMPERATURE ; PRODUCTS ; GLUCOSE
WOS Research AreaAgriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS SubjectAgricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS IDWOS:000357664200071
Citation statistics
Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/19392
Collection生化工程国家重点实验室
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Biochem Engn, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Zhao, Zhi-Min,Wang, Lan,Chen, Hong-Zhang. A novel steam explosion sterilization improving solid-state fermentation performance[J]. BIORESOURCE TECHNOLOGY,2015,192(SEP):547-555.
APA Zhao, Zhi-Min,Wang, Lan,&Chen, Hong-Zhang.(2015).A novel steam explosion sterilization improving solid-state fermentation performance.BIORESOURCE TECHNOLOGY,192(SEP),547-555.
MLA Zhao, Zhi-Min,et al."A novel steam explosion sterilization improving solid-state fermentation performance".BIORESOURCE TECHNOLOGY 192.SEP(2015):547-555.
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