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Laccase activity from the fungus Trametes hirsuta using an air-lift bioreactor
S Rodríguez Couto1, A Rodríguez, R R M Paterson
1Department of Chemical Engineering, University of Vigo, Vigo, Spain. susana.rodriguez@urv.net
Aim:
To produce high laccase activities from the white-rot fungus Trametes hirsuta in an in-house air-lift bioreactor (ALB).
Methods And Results:
Trametes hirsuta was grown in a 6-l ALB. A fed-batch strategy with glycerol as an addition resulted in maximum laccase activity of 19,400 U l(-1), which was the highest reported from the fungus.
Conclusion:
The ALB configuration with additional glycerol resulted in high laccase activities.
Significance And Impact Of The Study:
This study provides useful information on how to produce high concentrations of laccase.
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