2013
DOI: 10.1016/j.biortech.2013.04.122
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Biotransformation of 5-hydroxymethylfurfural (HMF) by Scheffersomyces stipitis during ethanol fermentation of hydrolysate of the seaweed Gelidium amansii

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Cited by 86 publications
(56 citation statements)
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“…Limayem and Ricke (2012) reported that, during the degradation of sugars in the acidic pretreatment, the inhibitors furfural, derived mainly from the dehydration of pentoses, and hydroxymethylfurfural (HMF), from the dehydration of hexoses, were formed, coupled to phenolic and acetic acid. In the degradation process, furfural is converted into furfuryl alcohol, and due to the similar structure of HMF and furfural, the conversion of HMF into 2.5-bis-hydroxymethylfuran may also occur (Ra, Jeong, Shin, & Kim, 2013). The compounds furfural, HMF and acetates, derived from acid hydrolysis of lignocellulosic biomass, damage the microorganism, reducing the biological and enzymatic activities by breaking and inhibiting the DNA synthesis of RNA and protein (Ra et al, 2013).…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…Limayem and Ricke (2012) reported that, during the degradation of sugars in the acidic pretreatment, the inhibitors furfural, derived mainly from the dehydration of pentoses, and hydroxymethylfurfural (HMF), from the dehydration of hexoses, were formed, coupled to phenolic and acetic acid. In the degradation process, furfural is converted into furfuryl alcohol, and due to the similar structure of HMF and furfural, the conversion of HMF into 2.5-bis-hydroxymethylfuran may also occur (Ra, Jeong, Shin, & Kim, 2013). The compounds furfural, HMF and acetates, derived from acid hydrolysis of lignocellulosic biomass, damage the microorganism, reducing the biological and enzymatic activities by breaking and inhibiting the DNA synthesis of RNA and protein (Ra et al, 2013).…”
Section: Resultsmentioning
confidence: 99%
“…In the degradation process, furfural is converted into furfuryl alcohol, and due to the similar structure of HMF and furfural, the conversion of HMF into 2.5-bis-hydroxymethylfuran may also occur (Ra, Jeong, Shin, & Kim, 2013). The compounds furfural, HMF and acetates, derived from acid hydrolysis of lignocellulosic biomass, damage the microorganism, reducing the biological and enzymatic activities by breaking and inhibiting the DNA synthesis of RNA and protein (Ra et al, 2013). Bellido et al (2011) report that xylose consumption was inhibited by 0.5 g L -1…”
Section: Resultsmentioning
confidence: 99%
“…A maior inibição causada pelo furfural à fermentação com xilose está em consonância com a literatura, onde Limayem e Ricke (2012) citam que, durante a degradação dos açúcares nos pré-tratamentos ácidos, há a formação de inibidores como o furfural, oriundo, principalmente, da desidratação das pentoses, e hidroximetilfurfural (HMF), a partir da desidratação das hexoses, além de compostos fenólicos e ácido acético. Estes compostos causam danos ao microrganismo, reduzindo as atividades biológica e enzimática, quebrando o DNA e inibindo a síntese de RNA e proteína (Ra et al, 2013).…”
Section: Resultsunclassified
“…A literatura considera estabelecido o mecanismo de conversão do furfural em álcool furfurílico e indica que, pela estrutura semelhante do HMF e do furfural, pode haver a conversão do HMF em um composto denominado 2,5-bis-hidroximetilfurano, identificado em espectro UV/Vis a 222 nm (Ra et al, 2013). Assim, há a necessidade de estudos mais detalhados quanto a esta fermentação, seja no que diz respeito à viabilidade celular, utilização da fonte de carbono, realizando estudos com meio sintético, determinação da concentração de HMF e de etanol.…”
Section: δX (G/l) δS (G/l) δP (G/l) Y X/s (G/g) Y P/s (G/g) μ Max (H unclassified
“…where E PS is the efficiency of pretreatment and saccharification (%), DS PS is the increase in monosaccharide content (g/L) during pretreatment and saccharification, and TC is the total carbohydrate (g/L) in G. amansii, G. verrucosa, K. alvarezii or E. denticulatum [11].…”
Section: Thermal Acid Hydrolysis and Enzymatic Saccharificationmentioning
confidence: 99%