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On the mechanism of...
On the mechanism of direct conversion of cellulose to ethanol by Fusarium oxysporum : Effect of cellulase and β-glucosidase
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Christakopoulos, Paul (författare)
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Macris, B.J. (författare)
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Kekos, D. (författare)
- 1990
- 1990
- Engelska.
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Ingår i: Applied Microbiology and Biotechnology. - 0175-7598 .- 1432-0614. ; 33:1, s. 18-20
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
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- The effects of the three main enzymes involved in cellulose saccharification, namely cellobiohydrolase, carboxymethylcellulase and beta-glucosidase, on the direct conversion of cellulose to ethanol by Fusarium oxysporum F3 were investigated. Ethanol production was not affected when the activity of the former two enzymes was varied within a wide range. By contrast, beta-glucosidase markedly affected ethanol production showing an optimum level of 0.7-0.8 unit/ml growth medium. A significant decrease of cellulose bioconversion time to ethanol was obtained when beta-glucosidase activity was adjusted to this optimal level at the beginning of the fermentation process.
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