Antimicrobial and antioxidant properties of chitosan-based viscose fibres enzymatically functionalized with flavonoids
Source abstract
Abstract
The main purpose of this research was to qualitatively and quantitatively identify chitosan-based viscose fibre functional group surfaces as modified by two chemically-similar phenolics, namely fisetin and quercetin. Potentiometric titration was used to determine fibre-dissociable weak acids as a consequence of the presence of chitosan and deposited flavonoids. In addition, a conventional spectrophotometric method using C.I. Acid Orange 7 dye was used for determining the amino groups only. Finally, the antioxidant and antimicrobial properties of the fibres were evaluated, respectively. It has been clearly shown that the introduction of flavonoid onto the fibres introduces a significant amount of anionic phenolic hydroxyl groups, leading to fibre antioxidant activity and a decrease in fibre antimicrobial efficiency.
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Research context
OpenAlex topics: Nanocomposite Films for Food Packaging · Bee Products Chemical Analysis · Phytochemicals and Antioxidant Activities
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Textile Materials and Design, University of Maribor, Slovenia
Department of Textile Materials and Design, University of Maribor, Slovenia,
Department of Biotechnology, University in Rijeka, Croatia
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