Itaconic acid production from undetoxified enzymatic hydrolysate of bamboo residues using Aspergillus terreus.

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ID: 102276
2020
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Abstract
Itaconic acid (IA) production by fermentation of undetoxified hydrolysate of bamboo residues by Aspergillus terreus was demonstrated. Monosaccharides were obtained by pretreatment and enzymatic hydrolysis of bamboo residues. A. terreus could not grow and synthesize IA in the hydrolysate. The buffer was confirmed to be an inhibitor, and was successfully replaced by deionized water as the suspension, to release equivalent sugar and eliminate the inhibition. Corn steep liquor significantly improved the adaptability of A. terreus to the hydrolysate at 2.0 g/L. The IA titer obtained (19.35 g/L IA) was the highest to be reported for IA production from lignocellulose without detoxification. Simultaneous saccharification and fermentation and fed-batch fermentation increased the titer to 22.43 g/L and 41.54 g/L, respectively. Meanwhile, economic assessment proved that bamboo residues were potential substrates for IA production with economic effectiveness.
Reference Key
yang2020itaconicbioresource Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Yang, Jing;Xu, Hao;Jiang, Jianchun;Zhang, Ning;Xie, Jingcong;Zhao, Jian;Bu, Quan;Wei, Min;
Journal Bioresource technology
Year 2020
DOI
S0960-8524(20)30479-X
URL
Keywords
itaconic acid aspergillus terreus bamboo residues high titer undetoxified enzymatic hydrolysate

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