Análise Do Metabolismo De Xilose Por Uma Nova Espécie Do Gênero Wickerhamomyces Submetida a Diferentes Condições De Cultivo

Lucaroni, Ana Carolina; Alves, Sérgio L.; Giehl, Anderson; Deoti, LETíCIA; Tadioto, Viviani

doi:10.5151/cobecic2019-eat22

Cited by 1 publication

(2 citation statements)

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“…Thus, a yield of 0.34 gethanol/gglucose for UFFS-CE-3.1.2 and 0.38 gethanol/gglucose for PE-2 was achieved. Regarding the yield obtained with yeast strain UFFS-CE-3.1.2, the result attained is in agreement with another study (Lucaroni et al, 2019). The study performed by Bonatto and co-workers (Bonatto et al, 2020) with sugarcane bagasse also showed the UFFS-CE-3.1.2 ability to consume xylose, reveling a superior yield after 120 hours compared to that of this study, in which the fermentation was conducted during 30 hours.…”

Section: Fermentationsupporting

confidence: 90%

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Alkaline pretreatment and enzymatic hydrolysis of corn stover for bioethanol production

Bohn

Dresch

Cavali

et al. 2021

RSD

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The demand for ethanol in Brazil is growing. However, although the country is one of the largest producers of this fuel, it is still necessary to diversify the production matrix. In that regard, studies with different raw materials are needed, mainly the use of low cost and high available wastes such as lignocellulosic residues from agriculture. Therefore, this study aimed to analyze the bioethanol production from corn stover. An alkaline pretreatment (CaO) was carried out, followed by enzymatic hydrolysis (Cellic Ctec2 and Cellic Htec2) to obtain fermentable sugars. The best experimental condition for the pretreatment and hydrolysis steps resulted in a solution with 0.31 gsugar∙gbiomass-1. Then, the fermentation was performed by the industrial strain of Saccharomyces cerevisiae (PE-2) and by the wild yeast strain Wickerhamomyces sp. (UFFS-CE-3.1.2). The yield obtained was 0.38 gethanol∙gdry biomass-1 was, demonstrating the potential of this process for bioethanol production.

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Section: Fermentationsupporting

confidence: 90%

“…It can be seen in Figure 3 that both strains showed total glucose consumption at the beginning of the fermentation, since it is the most preferable sugar for those microorganisms (Kim et al, 2010;Lucaroni et al, 2019). In contrast, the xylose metabolization was only completed after 25 hours for UFFS-CE-3.1.2 and PE-2 strains.…”

Section: Fermentationmentioning

confidence: 96%