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Fabrication of ɛ-Polylysine-Loaded Electrospun Nanofiber Mats from Persian Gum-Poly (Ethylene Oxide) and Evaluation of Their Physicochemical and Antimicrobial Properties.
- Source :
-
Foods (Basel, Switzerland) [Foods] 2023 Jul 03; Vol. 12 (13). Date of Electronic Publication: 2023 Jul 03. - Publication Year :
- 2023
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Abstract
- In the present study, electrospun nanofiber mats were fabricated by mixing different ratios (96:4, 95:5, 94:6, 93:7, and 92:8) of Persian gum (PG) and poly (ethylene oxide) (PEO). The SEM micrographs revealed that the nanofibers obtained from 93% PG and 7% PEO were bead-free and uniform. Therefore, it was selected as the optimized ratio of PG:PEO for the development of antimicrobial nanofibers loaded with ɛ-Polylysine (ɛ-PL). All of the spinning solutions showed pseudoplastic behavior and the viscosity decreased by increasing the shear rate. Additionally, the apparent viscosity, G', and G″ of the spinning solutions increased as a function of PEO concentration, and the incorporation of ɛ-PL did not affect these parameters. The electrical conductivity of the solutions decreased when increasing the PEO ratio and with the incorporation of ɛ-PL. The X-ray diffraction (XRD) and Fourier-transform infrared (FTIR) spectra showed the compatibility of polymers. The antimicrobial activity of nanofibers against Escherichia coli ( E. coli ) and Staphylococcus aureus ( S. aureus ) was investigated, and the samples loaded with ɛ-PL demonstrated stronger antimicrobial activity against S. aureus.
Details
- Language :
- English
- ISSN :
- 2304-8158
- Volume :
- 12
- Issue :
- 13
- Database :
- MEDLINE
- Journal :
- Foods (Basel, Switzerland)
- Publication Type :
- Academic Journal
- Accession number :
- 37444326
- Full Text :
- https://doi.org/10.3390/foods12132588