<abstract xmlns="http://www.w3.org/1999/xhtml"><p> Catalase with the commercial catalase name Terminox Ultra is widely used in the textile industry in bleaching processes. This enzyme is used to catalyse the decomposition of residual hydrogen peroxide into oxygen and water. In this study catalase was kept for about 30 hours in water baths in a temperature range from 35 to 70°C. For the first time, the kinetics of thermal deactivation of this enzyme was examined using an oxygen electrode. Stability of the enzyme depends strongly on temperature and its half-life times are 0.0014 h and 7.6 h, at 35 and 70°C, respectively.</p></abstract>

Catalase with the commercial catalase name Terminox Ultra is widely used in the textile industry in bleaching processes. This enzyme is used to catalyse the decomposition of residual hydrogen peroxide into oxygen and water. In this study catalase was kept for about 30 hours in water baths in a temperature range from 35 to 70°C. For the first time, the kinetics of thermal deactivation of this enzyme was examined using an oxygen electrode. Stability of the enzyme depends strongly on temperature and its half-life times are 0.0014 h and 7.6 h, at 35 and 70°C, respectively.

Thermal stability for the effective use of commercial catalase

University of Technology and Life Sciences, Department of Chemical and Biochemical Engineering, Faculty of Chemical Technology and Engineering, Seminaryjna 3, 85-326 Bydgoszcz, Poland

Faculty of Industrial Engineering, KaHo St.-Lieven, Gebroeders Desmetstraat 1, 9000 Gent, Belgium

Polish Journal of Chemical Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Thermal stability for the effective use of commercial catalase"}

Catalase with the commercial catalase name Terminox Ultra is widely used in the textile industry in bleaching processes. This enzyme is used to catalyse the...

Thermal stability for the effective use of commercial catalase

Published Online: Dec 11, 2014

Page range: 75 - 79

DOI: https://doi.org/10.2478/pjct-2014-0073

© by J. Miłek

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.