Journal
CURRENT OPINION IN FOOD SCIENCE
Volume 42, Issue -, Pages 8-14Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.cofs.2021.01.009
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Funding
- National Natural Science Foundation of China [32072322]
- Technological Innovation and Application Development Foundation of Chongqing [cstc2019jscx-msxmX0348]
- Fundamental Research Funds for the Central Universities [XDJK2020B043]
- Venture & Innovation Support Program for Chongqing Overseas Returnees [cx2019017]
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Bacterial adhesion is crucial for biofilm formation, which can lead to cross contamination and pathogen growth on food surfaces. Plant extracts have been studied as green alternatives for anti-adhesion, effectively inhibiting the attachment of foodborne pathogens. Understanding the anti-adhesion mechanisms is essential for enhancing the efficiency and application of natural antimicrobial agents in the fresh produce industry.
Bacterial adhesion is the first stage of biofilm formation. Adhesion and subsequent biofilm formation of foodborne pathogenic bacteria on food surface cause cross contamination, food spoilage and even diseases. Mature biofilm exhibits higher resistance to disinfectants or antimicrobials compared to initial biofilm. The initial adherent cells are very unstable, low resistant and can be easily eliminated from food surface. In recent years, plant extracts as green antimicrobials alternatives have drawn much attention of researchers in anti-adhesion. Furthermore, the combination of natural extracts with other agents (e.g. surfactant, nanoparticle, phage) at low concentration effectively restrain the adhesion of foodborne pathogenic bacteria. Understanding anti-adhesion mechanism is the key to increase the efficiency of natural antimicrobial agents and enhance their application in fresh produce industry. In this review, we summarized recent studies about the factors affecting bacterial adhesion, anti-adhesion mechanism and applications of natural antimicrobial agents to control adhesion and subsequent biofilm formation for enhancing food safety and food quality.
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