NDLI: Utilization of Corncob Acid Hydrolysate for Bacterial Cellulose Production by Gluconacetobacter xylinus

Content Provider	Springer Nature Link
Author	Huang, Chao Yang, Xiao Yan Xiong, Lian Guo, Hai Jun Luo, Jun Wang, Bo Zhang, Hai Rong Lin, Xiao Qing Chen, Xin De
Copyright Year	2014
Abstract	In this study, corncob acid hydrolysate was used as a substrate for bacterial cellulose (BC) production by Gluconacetobacter xylinus. After 2 weeks’ static fermentation, a BC yield of 4 g/L could be obtained. Both effects of medium composition and fermentation condition on the BC production were evaluated. Most extra substrates (carbon and nitrogen sources) except mannitol, butyric acid, and levulinic acid showed no effect on the improvement of BC yield. Fermentation condition including fermentation mode, inoculation concentration, and initial pH showed certain influence on the BC yield and thus should be well controlled. The analysis by field emission scanning electron microscope (FE-SEM), Fourier transform infrared spectroscopy (FTIR), and X-ray diffraction (XRD) showed that the BC sample had obvious nano-network structure, clear functional groups that were found in cellulose, and relatively high crystallinity and crystallinity index value. Moreover, the BC sample had great water-holding capacity. Overall, corncob acid hydrolysate could be one promising substrate for BC production.
Starting Page	1678
Ending Page	1688
Page Count	11
File Format	PDF
ISSN	02732289
Journal	Applied Biochemistry and Biotechnology
Volume Number	175
Issue Number	3
e-ISSN	15590291
Language	English
Publisher	Springer US
Publisher Date	2014-11-26
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Bacterial cellulose Gluconacetobacter xylinus Corncob acid hydrolysate Medium composition and fermentation condition Structure and water-holding capacity analysis Biotechnology Biochemistry
Content Type	Text
Resource Type	Article
Subject	Medicine Molecular Biology Environmental Engineering Biochemistry Bioengineering Applied Microbiology and Biotechnology Biotechnology

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