A wheat biorefining strategy based on solid-state fermentation for fermentative production of succinic acid

Bioresource Technology
Chenyu DuC Webb

Abstract

In this study, a novel generic feedstock production strategy based on solid-state fermentation (SSF) has been developed and applied to the fermentative production of succinic acid. Wheat was fractionated into bran, gluten and gluten-free flour by milling and gluten extraction processes. The bran, which would normally be a waste product of the wheat milling industry, was used to produce glucoamylase and protease enzymes via SSF using Aspergillus awamori and Aspergillus oryzae, respectively. The resulting solutions were separately utilised for the hydrolysis of gluten-free flour and gluten to generate a glucose-rich stream of over 140gl(-1) glucose and a nitrogen-rich stream of more than 3.5gl(-1) free amino nitrogen. A microbial feedstock consisting of these two streams contained all the essential nutrients required for succinic acid fermentations using Actinobacillus succinogenes. In a fermentation using only the combined hydrolysate streams, around 22gl(-1) succinic acid was produced. The addition of MgCO3 into the wheat-derived medium improved the succinic acid production further to more than 64gl(-1). These results demonstrate the SSF-based strategy is a successful approach for the production of a generic feedstock from whea...Continue Reading

References

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Citations

Jul 21, 2010·Applied Microbiology and Biotechnology·Qiang LiIan P Thompson
Jun 10, 2010·Journal of Industrial Microbiology & Biotechnology·Jie YuShulin Chen
Oct 1, 2010·Journal of Industrial Microbiology & Biotechnology·Elcio Ribeiro Borges, Nei Pereira
May 22, 2013·BioMed Research International·Ke-Ke ChengJian-An Zhang
Aug 26, 2014·Applied Biochemistry and Biotechnology·Zheng SunCarol Sze Ki Lin
Dec 29, 2015·Bioresource Technology·Yan ZhaoPingkai Ouyang
May 16, 2015·Bioresource Technology·Wei HanYong Feng Li
Nov 20, 2015·Biotechnology for Biofuels·Michael F A BradfieldWillie Nicol
Oct 15, 2013·Bioresource Technology·Nattha PensupaChenyu Du
May 29, 2015·Biotechnology, Biotechnological Equipment·Honghui WangXiaohua Zhou
Apr 2, 2019·Critical Reviews in Biotechnology·Mariateresa FeroneAntonio Marzocchella
Jan 1, 2013·Biomolecules·Wan Chi LamCarol Sze Ki Lin
Aug 27, 2017·Applied Biochemistry and Biotechnology·Jan Christoph Peinemann, Daniel Pleissner
Aug 13, 2013·Environmental Science & Technology·Ahmed ElmekawyDeepak Pant
Jan 16, 2019·Ultrasonics Sonochemistry·Xiaotong LiCarol Sze Ki Lin

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