A biotechnological process efficiently co-produces two high value-added products, glucose and xylooligosaccharides, from sugarcane bagasse

Bioresource Technology
Jian-Long XueJia-Xun Feng

Abstract

In this study, a co-production of two high value-added products, glucose and xylooligosaccharides (XOS), was investigated by utilizing sugarcane bagasse (SB) within a multi-product bio-refinery framework optimized by Box-Behnken design-based response surface methodology. The developed process resulted in a maximum cellulose conversion of xylan-removed SB, 98.69±1.30%, and a maximum extracted SB xylan conversion into XOS (xylobiose and xylotriose) of 57.36±0.79% that was the highest SB xylan conversion reported in the literature, employing cellulase from Penicillium oxalicum EU2106 and recombinant endo-β-1,4-xylanase in Pichia pastoris. Consequently, a mass balance analysis showed that the maximum yields of glucose and XOS were 34.43±0.32g and 5.96±0.09 g per 100 g raw SB. Overall, this described process may be a preferred option for the comprehensive utilization of SB.

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Citations

Oct 17, 2017·Applied Microbiology and Biotechnology·Mario Cezar Rodrigues ManoGláucia Maria Pastore
Jan 24, 2021·Molecular Biotechnology·Alberto Moura Mendes LopesRosana Goldbeck
Mar 16, 2021·Frontiers of Chemical Science and Engineering·Xianhui LiManuel Pinelo
Apr 27, 2021·Frontiers in Bioengineering and Biotechnology·Jianglin ZhaoYong Xu

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