One-pot chemo-enzymatic synthesis of furfuralcohol from xylose

Bioresource Technology
Yu-Cai HeCui-Luan Ma

Abstract

Furfuralcohol (FOL) is an important intermediate for the production of lysine, ascorbic acid, and lubricants. It can be used as a hypergolic fuel in rocketry. In this study, it was attempted to synthesize FOL from xylose by tandem catalysis with solid acid SO4(2-)/SnO2-Montmorillonite and recombination Escherichia coli CCZU-K14 whole cells. Using SO4(2-)/SnO2-Montmorillonite (3.0wt% dosage) as catalyst, a highest furfural yield of 41.9% was achieved from xylose at 170°C for 20min. Furthermore, Escherichia coli CCZU-K14 whole cells were used for bioconverting furfural to FOL. The optimum biocatalytic reaction temperature, reaction pH, cosubstrate concentration, and substrate concentration were 30°C, 6.5, 1.5mol glucose/mol furfural, and 200mM, respectively. Finally, the yield of FOL from 200mM furfural was achieved to 100% by Escherichia coli CCZU-K14 whole cells after 24h. In conclusion, this strategy show high potential application for the effective synthesis of FOL.

Citations

Nov 23, 2019·Applied Biochemistry and Biotechnology·Li-Zhen Qin, Yu-Cai He

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