Increased acetic acid removal from sugarcane bagasse hemicellulosic hydrolysate by the yeast Issatchenckia occidentalis Y1?a in absence of glucose (2020)
- Authors:
- USP affiliated authors: SILVA, MESSIAS BORGES - EEL ; SILVA, SILVIO SILVERIO DA - EEL
- Unidade: EEL
- DOI: 10.34117/bjdv6n4-145
- Assunto: BIOQUÍMICA
- Keywords: Second generation bioethanol; biodetoxification; box behnken design; design de caixas behnken; bioetanol de segunda geração; biodetoxificação
- Agências de fomento:
- Language: Inglês
- Abstract: Second generation ethanol is an attractive alternative to increase the worldwideethanol production by utilizing agro-industrial wastecrops. A pretreatment step is mandatory to expose sugars from vegetal biomass,whichshouldbe low cost and highlyefficient. Even thoughdilute-acid pretreatment satisfiestheseprerequisites, metabolism inhibitors are generated during suchprocess. In this study, I. occidentalisY1’a was able to grow in no supplementedsugarcane bagasse hemicellulosic hydrolysate by using acetic acid as energy source. However acetic acid removal has beendelayedin glucose-added medium. Given the fact thatacetic acid isconsidered an inhibitor of microbialmetabolism during ethanol production, this findingcharacterizes an efficient and low-cost hemicellulosic hydrolysate biodetoxification. Fermentation was successful withan ethanol yield (YP/S) of 0.26 g/g and volumetric ethanol productivity (Qp) of 0.14 g/L.h, indicating that dilute-acid pretreatment followed by biodetoxification and xylose fermentation by Candida shehatae UFMG52.2 are promising ways for 2G-bioethanol production.
- Imprenta:
- Publisher: BJD
- Publisher place: Curitiba-PR
- Date published: 2020
- Source:
- Título: Brazilian Journal of Development
- ISSN: 2525-8761
- Volume/Número/Paginação/Ano: v. 6, n. 4, p.18621-18636, 2020
- Este periódico é de acesso aberto
- Este artigo é de acesso aberto
- URL de acesso aberto
- Cor do Acesso Aberto: gold
-
ABNT
GONÇALVES, Bruna Caroline Marques e SILVA, Messias Borges e SILVA, Silvio Silverio da. Increased acetic acid removal from sugarcane bagasse hemicellulosic hydrolysate by the yeast Issatchenckia occidentalis Y1?a in absence of glucose. Brazilian Journal of Development, v. 6, n. 4, p. 18621-18636, 2020Tradução . . Disponível em: https://doi.org/10.34117/bjdv6n4-145. Acesso em: 03 jan. 2026. -
APA
Gonçalves, B. C. M., Silva, M. B., & Silva, S. S. da. (2020). Increased acetic acid removal from sugarcane bagasse hemicellulosic hydrolysate by the yeast Issatchenckia occidentalis Y1?a in absence of glucose. Brazilian Journal of Development, 6( 4), 18621-18636. doi:10.34117/bjdv6n4-145 -
NLM
Gonçalves BCM, Silva MB, Silva SS da. Increased acetic acid removal from sugarcane bagasse hemicellulosic hydrolysate by the yeast Issatchenckia occidentalis Y1?a in absence of glucose [Internet]. Brazilian Journal of Development. 2020 ; 6( 4): 18621-18636.[citado 2026 jan. 03 ] Available from: https://doi.org/10.34117/bjdv6n4-145 -
Vancouver
Gonçalves BCM, Silva MB, Silva SS da. Increased acetic acid removal from sugarcane bagasse hemicellulosic hydrolysate by the yeast Issatchenckia occidentalis Y1?a in absence of glucose [Internet]. Brazilian Journal of Development. 2020 ; 6( 4): 18621-18636.[citado 2026 jan. 03 ] Available from: https://doi.org/10.34117/bjdv6n4-145 - Avaliação da atividade antibacteriana do óleo da microalga Chlorella minutissima como alternativa para o tratamento de dermatite atópica
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Informações sobre o DOI: 10.34117/bjdv6n4-145 (Fonte: oaDOI API)
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