Effect of Deep Eutectic Solvents on the Activity and Stability of Cellulases and Pectinases
ACS Omega(2023)
摘要
Deep eutectic solvents (DESs) have physicochemical characteristics similar to those of ionic liquids but are more cost-effective, easier to produce, and less harmful to the environment, making them viable alternatives to ionic liquids. In this study, various DESs have been created to assess their potential as storage media for enzymes. The impact of the DES composition and water content on the thermal and storage stability of cellulase and pectinase was also investigated. Molecular simulation was used to examine the kinetic parameters of cellulase and pectinase in DESs with varying water levels based on choline chloride. The results demonstrated that the stability of the enzymes initially increased and then decreased with an increase in water content in DESs. The enzymes experienced secondary structural changes, leading to variations in fluorescence values. Ultimately, DESs can be utilized as a stabilizers for long-term enzyme preservation, and this study provides a theoretical basis for the coapplication of DESs and enzymes.
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