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Article

Exploring Non-Thermal Plasma and UV Radiation as Biofilm Control Strategies against Foodborne Filamentous Fungal Contaminants

by
Markéta Kulišová
1,*,
Michaela Rabochová
2,3,
Jan Lorinčík
2,
Tomáš Brányik
4,
Jan Hrudka
5,
Vladimír Scholtz
5 and
Irena Jarošová Kolouchová
1
1
Department of Biotechnology, University of Chemistry and Technology, Prague, Technická 5, 166 28 Prague, Czech Republic
2
Department of Material Analysis, Research Centre Rez, Hlavní 130, 250 68 Husinec-Řež, Czech Republic
3
Faculty of Biomedical Engineering, Czech Technical University in Prague, nám. Sítná 3105, 272 01 Kladno, Czech Republic
4
Research Institute of Brewing and Malting, Lípová 15, 120 44 Prague, Czech Republic
5
Department of Physics and Measurements, Prague, University of Chemistry and Technology, Prague, Technická 5, 166 28 Prague, Czech Republic
*
Author to whom correspondence should be addressed.
Foods 2024, 13(7), 1054; https://doi.org/10.3390/foods13071054
Submission received: 14 March 2024 / Revised: 27 March 2024 / Accepted: 27 March 2024 / Published: 29 March 2024
(This article belongs to the Section Food Engineering and Technology)
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Abstract

In recent years, non-thermal plasma (NTP) has emerged as a promising tool for decontamination and disinfection within the food industry. Given the increasing resistance of microbial biofilms to conventional disinfectants and their adverse environmental effects, this method has significant potential for eliminating biofilm formation or mitigating the metabolic activity of grown biofilms. A comparative study was conducted evaluating the efficacy of UV radiation and NTP in eradicating mature biofilms of four common foodborne filamentous fungal contaminants: Alternaria alternata, Aspergillus niger, Fusarium culmorum, and Fusarium graminearum. The findings reveal that while UV radiation exhibits variable efficacy depending on the duration of exposure and fungal species, NTP induces substantial morphological alterations in biofilms, disrupting hyphae, and reducing extracellular polymeric substance production, particularly in A. alternata and F. culmorum. Notably, scanning electron microscopy analysis demonstrates significant disruption of the hyphae in NTP-treated biofilms, indicating its ability to penetrate the biofilm matrix, which is a promising outcome for biofilm eradication strategies. The use of NTP could offer a more environmentally friendly and potentially more effective alternative to traditional disinfection methods.
Keywords: non-thermal plasma; UV radiation; biofilm; filamentous fungi non-thermal plasma; UV radiation; biofilm; filamentous fungi

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MDPI and ACS Style

Kulišová, M.; Rabochová, M.; Lorinčík, J.; Brányik, T.; Hrudka, J.; Scholtz, V.; Jarošová Kolouchová, I. Exploring Non-Thermal Plasma and UV Radiation as Biofilm Control Strategies against Foodborne Filamentous Fungal Contaminants. Foods 2024, 13, 1054. https://doi.org/10.3390/foods13071054

AMA Style

Kulišová M, Rabochová M, Lorinčík J, Brányik T, Hrudka J, Scholtz V, Jarošová Kolouchová I. Exploring Non-Thermal Plasma and UV Radiation as Biofilm Control Strategies against Foodborne Filamentous Fungal Contaminants. Foods. 2024; 13(7):1054. https://doi.org/10.3390/foods13071054

Chicago/Turabian Style

Kulišová, Markéta, Michaela Rabochová, Jan Lorinčík, Tomáš Brányik, Jan Hrudka, Vladimír Scholtz, and Irena Jarošová Kolouchová. 2024. "Exploring Non-Thermal Plasma and UV Radiation as Biofilm Control Strategies against Foodborne Filamentous Fungal Contaminants" Foods 13, no. 7: 1054. https://doi.org/10.3390/foods13071054

APA Style

Kulišová, M., Rabochová, M., Lorinčík, J., Brányik, T., Hrudka, J., Scholtz, V., & Jarošová Kolouchová, I. (2024). Exploring Non-Thermal Plasma and UV Radiation as Biofilm Control Strategies against Foodborne Filamentous Fungal Contaminants. Foods, 13(7), 1054. https://doi.org/10.3390/foods13071054

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