Abstract
This study aimed to evaluate the effectiveness of ozonation in controlling Pseudomonas spp. biofilm in the food industry, and present possible parameters influencing this process. The study followed the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. The search was conducted in the PubMed, EMBASE, ScienceDirect, and Scopus databases. Eleven articles published between 1993 and 2023 were included in the study, indicating that the topic has been under investigation for several decades, gaining more prominence in recent years. Studies have demonstrated the antimicrobial effect of ozone under different experimental conditions, indicating that it is an effective strategy. Furthermore, they suggest that, in addition to ozone concentration and exposure time, other parameters such as the type of materials used in processing plants, hydrodynamic conditions, water temperature, and knowledge of commonly found microorganisms contribute to the effectiveness of the process aimed at reducing microbial counts. In conclusion, the available evidence suggests that ozonation in controlling Pseudomonas spp. can be considered a promising antimicrobial strategy. More efforts are needed to adapt the different methodologies according to each industrial reality.
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