News Column

New Findings from University of Copenhagen in Enzymes and Coenzymes Provides New Insights

June 3, 2014

By a News Reporter-Staff News Editor at Life Science Weekly -- Current study results on Enzymes and Coenzymes have been published. According to news reporting originating from Frederiksberg, Denmark, by NewsRx correspondents, research stated, "The potential of enzymes recycling after hydrolysis and fermentation of wheat straw under a variety of conditions was investigated, monitoring the activity of the enzymes in the solid and liquid fractions, using low molecular weight substrates. A significant amount of active enzymes could be recovered by recycling the liquid phase."

Our news editors obtained a quote from the research from the University of Copenhagen, "In the early stage of the process, enzyme adsorb to the substrate, then gradually returning to the solution as the saccharification proceeds. At 50 degrees C, normally regarded as an acceptable operational temperature for saccharification, the enzymes (Celluclast) significantly undergo thermal deactivation. The hydrolysis yield and enzyme recycling efficiency in consecutive recycling rounds can be increased by using high enzyme loadings and moderate temperatures. Indeed, the amount of enzymes in the liquid phase increased with its thermostability and hydrolytic efficiency."

According to the news editors, the research concluded: "This study contributes towards developing effective enzymes recycling strategies and helping to reduce the enzyme costs on bioethanol production."

For more information on this research see: Cellulase stability, adsorption/desorption profiles and recycling during successive cycles of hydrolysis and fermentation of wheat straw. Bioresource Technology, 2014;156():163-169. Bioresource Technology can be contacted at: Elsevier Sci Ltd, The Boulevard, Langford Lane, Kidlington, Oxford OX5 1GB, Oxon, England. (Elsevier -; Bioresource Technology -

The news editors report that additional information may be obtained by contacting A.C. Rodrigues, University of Copenhagen, Dept. of Geosci & Nat Resource Management, DK-1958 Frederiksberg C, Denmark. Additional authors for this research include C. Felby and M. Gama (see also Enzymes and Coenzymes).

Keywords for this news article include: Europe, Denmark, Cellulases, Frederiksberg, Enzymes and Coenzymes

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Source: Life Science Weekly

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