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Production of ethanol from sugars in wood hydrolysate byFusarium oxysporum

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Abstract

Wood hydrolysate used for ethanol production by two strains ofFusarium oxysporum contained 2.3% (w/v) reducing sugars (xylose and glucose). Ethanol production at the optimum reducing sugar concentration of 54.8 g/l medium, at pH 5.5, and 30°C was 12.3 g/l and 11.7 g/l byF. oxysporum D-140 and NCIM-1072, respectively in shake flasks during 96 h fermentation. The maximum production of ethanol under optimum cultural conditions, and in the presence of yeast extract plus minerals, was 13.2 g/l medium byF. oxysporum D-140 over 108 h fermentation.

Résumé

L'hydrolysat de bois utilisé pour la production d'éthanol par deux souches deFusarium oxysporum contenait 2.3% (poids/vol.) de sucres réducteurs (xylose et glucose). La production d'éthanol, à la concentration optimum en sucres réducleurs de 54.8 g par litre de milieu à pH 5.5 et à 30°C était de 12.3 g/l et 11.7 g/l respectivement chezF. oxysporum D-140 et NCIM-1072, en flacons agités pendant 96 h de fermentation. La production maximum d'éthanol, dans les conditions optimum de culture, et en prosence d'extrait de levure et de minéraux a mit de 13.2 g par litre de milieu chezF. oxysporum D-140 en 108 h de lermentation.

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Joshi, A., Garg, S.K. & Verma, J. Production of ethanol from sugars in wood hydrolysate byFusarium oxysporum . World J Microbiol Biotechnol 6, 10–14 (1990). https://doi.org/10.1007/BF01225347

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  • DOI: https://doi.org/10.1007/BF01225347

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