Xylitol and sorbitol: production routes, challenges and opportunities in biorefineries integration

Jofre, Fanny Machado; Bordini, Fernanda Weber; Bianchini, Italo de Andrade; Queiroz, Sarah de Souza; Boaes, Tatiane da Silva; Hernández-Pérez, Andrés Felipe; Felipe, Maria das Graças de Almeida

doi:10.1016/b978-0-12-823531-7.00013-5

Cited by 6 publications

(1 citation statement)

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“…Xylitol production in crude hemicellulosic hydrolysates using S. cerevisiae has been reported using birch wood, corn, and wheat as natural xylose sources (Delgado Arcaño et al, 2020; Hou-Rui et al, 2012; Jofre et al, 2022). At the same time, Candida spp.…”

Section: Introductionmentioning

confidence: 99%

Strategies for improved xylitol production in batch fermentation of sugarcane hydrolysate using Saccharomyces cerevisiae

Lizarazo¹,

Pereira²,

Mello³

2022

Preprint

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A plethora of studies have focused on improvements of xylitol production. The challenges of establishing a biotechnological route for the industrial production of this sugar have been explored using different microorganisms and renewable feedstock. Nevertheless, sugarcane biomass has been neglected as the pentose source for xylitol production using Saccharomyces cerevisiae. Therefore, here we investigate the use of an industrial S. cerevisiae strain for xylitol production in batch fermentation of non-detoxified sugarcane straw hydrolysate, envisioning the diversification of the current infrastructure used for second-generation bioethanol production from the same lignocellulosic material. In order to optimize the xylose conversion in a non-fed cultivation system, guidelines in cell inoculum and medium supplementation are suggested, as well as the first attempt to use electro-fermentation for this purpose. Accordingly, our results show that the increase in initial cell density and hydrolysate supplementation allows a xylitol production of 19.24 ± 0.68 g/L, representing 0,132 g/L.h productivity.

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Section: Introductionmentioning

confidence: 99%