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Xanthan Production on Polyurethane Foam and Its Enhancement by Air Pressure Pulsation
Zhang, Zhi-guo; Chen, Hong-zhang; Chen, HZ
2010-12-01
Source PublicationAPPLIED BIOCHEMISTRY AND BIOTECHNOLOGY
ISSN0273-2289
Volume162Issue:8Pages:2244-2258
AbstractIn this study, we evaluated the feasibility of solid-state fermentation (SSF) on polyurethane foam (PUF) for xanthan production. The effects of air pressure pulsation (APP) on biomass accumulation and final xanthan concentration were also studied. Under suitable conditions (15% inoculum, 0.5-cm (side length) PUF cubes, 15 mL medium per gram cubes and 4.5 cm bed depth), the broth was dispersed on the PUF as a film. When the initial glucose concentration in the media was low (20 and 40 g L(-1)), there was no significant difference between the final xanthan concentration in static SSF and submerged fermentation (SMF). When high initial glucose concentrations (60 and 80 g L-1) were used, the final gum concentrations in SSF were much higher than those in SMF. When the APP technique was applied in xanthan production with a medium containing a high glucose concentration (80 g L(-1)), the oxygen consumption rate of Xanthomonas campestris was significantly enhanced at the later stages of fermentation, and both the biomass and xanthan concentration were improved. The results indicated that SSF on PUF is suitable for xanthan preparation, especially when the initial glucose concentration ranged from 60 to 80 g L-1. Those results also demonstrated that APP technology can be used to enhance xanthan yields.
KeywordXanthan Gum Solid-state Fermentation Inert Support Air Pressure Pulsation Xanthomonas Campestris
SubtypeArticle
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
DOI10.1007/s12010-010-8998-9
Indexed BySCI
Language英语
WOS KeywordSOLID-STATE FERMENTATION ; PACKED-BED REACTOR ; 2 DYNAMIC CHANGES ; ASPERGILLUS-NIGER ; CELLULASE PRODUCTION ; PHASE FERMENTATION ; ENZYME-PRODUCTION ; OXYGEN-TRANSFER ; GUM PRODUCTION ; INERT SUPPORT
WOS Research AreaBiochemistry & Molecular Biology ; Biotechnology & Applied Microbiology
WOS SubjectBiochemistry & Molecular Biology ; Biotechnology & Applied Microbiology
WOS IDWOS:000284295000012
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/5412
Collection生化工程国家重点实验室
Corresponding AuthorChen, HZ
AffiliationChinese Acad Sci, Inst Proc Engn, Natl Key Lab Biochem Engn, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Zhi-guo,Chen, Hong-zhang,Chen, HZ. Xanthan Production on Polyurethane Foam and Its Enhancement by Air Pressure Pulsation[J]. APPLIED BIOCHEMISTRY AND BIOTECHNOLOGY,2010,162(8):2244-2258.
APA Zhang, Zhi-guo,Chen, Hong-zhang,&Chen, HZ.(2010).Xanthan Production on Polyurethane Foam and Its Enhancement by Air Pressure Pulsation.APPLIED BIOCHEMISTRY AND BIOTECHNOLOGY,162(8),2244-2258.
MLA Zhang, Zhi-guo,et al."Xanthan Production on Polyurethane Foam and Its Enhancement by Air Pressure Pulsation".APPLIED BIOCHEMISTRY AND BIOTECHNOLOGY 162.8(2010):2244-2258.
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