Aeromonas biofilm on stainless steel: Efficiency of commonly used disinfectants

Sara Craveiro, Cynthia Alves-Barroco, Maria Teresa Barreto Goulão Crespo, António Salvador Barreto, Teresa Semedo-Lemsaddek

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)


Aeromonas spp. are ubiquitous bacteria widely distributed among aquatic environments that have the ability to form biofilms. This aptitude allows them to persist in water distribution systems, contaminating drinking water, food processing surfaces and ultimately food. For this study, the biofilm-forming ability of aeromonads was evaluated after 48-h incubation on stainless steel discs at both 4 and 20 °C. Subsequently, disinfectants based on amphoteric surfactants and chlorine compounds were evaluated regarding the capacity to eradicate preformed biofilm and inhibit biofilm formation. Results obtained demonstrated that all strains under analysis were able to form biofilm at both room and refrigeration temperatures. The chlorine-based disinfectant demonstrated to be efficient in removing preformed biofilm, but both were unsuccessful in preventing biofilm formation, highlighting the importance of adequate cleaning and disinfection procedures, with emphasis on food processing surfaces.

Original languageEnglish
Pages (from-to)851-856
Number of pages6
JournalInternational Journal Of Food Science And Technology
Issue number4
Publication statusPublished - 1 Apr 2015


  • Aeromonas
  • Biofilm
  • Disinfectants
  • Food safety
  • Stainless steel


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