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Bioresource Technology Reports
Volume 17, 2022, 100956

New biotechnological opportunities for C5 sugars from lignocellulosic materials

Daniele Fariasa,b, Allan H.F. de Méloa, Marcos Fellipe da Silvaa, Gabriel Cicalese Bevilaquaa

Bioprocess and Metabolic Engineering Laboratory, Department of Food Engineering, School of Food Engineering, University of Campinas, Campinas, SP, Brazil.

Abstract

The transition to sustainable development with the replacement of gasoline and petroleum-based products with biofuels and green chemicals is a common goal for current concepts of the bioeconomy. In this sense, biorefinery integration appears as a promising route to replace chemical technologies. Moreover, there is the possibility of using existing first-generation (1G) bioethanol plants facilities as the host for the development of new processes using the huge amount of lignocellulosic biomasses available in the world. In order to maximize profitability, all sugars released after biomass pre-treatment and hydrolyses must be converted into target products. Regarding the pentose fraction, sugar conversion by microorganisms is not optimally performed, compared to glucose, to give rise to the production of bioproducts in a sustainable and competitive manner. Thus, this review focuses on the recent progresses and emerging strategies aiming towards pentose utilization, efficient assimilation and conversion into industrially relevant bioproducts.

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