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The Physicochemical and Antibacterial Properties of Chitosan-Based Materials Modified with Phenolic Acids Irradiated by UVC Light
Abstract
This paper concerns the physicochemical properties of chitosan/phenolic acid thin films irradiated by ultraviolet radiation with wavelengths between 200 and 290 nm (UVC) light. We investigated the preparation and characterization of thin films based on chitosan (CTS) with tannic (TA), caffeic (CA) and ferulic acid (FA) addition as potential food‐packaging materials. Such materials were then exposed to the UVC light (254 nm) for 1 and 2 h to perform the sterilization process. Different properties of thin films before and after irradiation were determined by various methods such as Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), atomic force microscopy (AFM), differential scanning calorimeter (DSC), mechanical properties and by the surface free energy determination. Moreover, the antimicrobial activity of the films and their potential to reduce the risk of contamination was assessed. The results showed that the phenolic acid improving properties of chitosan‐based films, short UVC radiation may be used as sterilization method for those films, and also that the addition of ferulic acid obtains effective antimicrobial activity, which have great benefit for food packing applications.
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Authors (6)
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Beata Kaczmarek-Szczepańska dr
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Olha Mazur
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Lidia Zasada
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Anna Pałubicka dr
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Ewa Olewnik‐Kruszkowska dr
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- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
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INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
no. 22,
ISSN: 1661-6596 - Language:
- English
- Publication year:
- 2021
- Bibliographic description:
- Kaczmarek-Szczepańska B., Wekwejt M., Mazur O., Zasada L., Pałubicka A., Olewnik‐kruszkowska E.: The Physicochemical and Antibacterial Properties of Chitosan-Based Materials Modified with Phenolic Acids Irradiated by UVC Light// INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES -Vol. 22,iss. 12 (2021), s.6472-
- DOI:
- Digital Object Identifier (open in new tab) 10.3390/ijms22126472
- Verified by:
- Gdańsk University of Technology
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