Journal
PATHOGENS
Volume 10, Issue 1, Pages -Publisher
MDPI
DOI: 10.3390/pathogens10010012
Keywords
natural antimicrobials; antibacterial plant compounds; Listeria monocytogenes; food quality; safety; essential oils
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Listeria monocytogenes is a foodborne pathogen that causes a disease called listeriosis with high fatality rates. Despite being resistant to many environmental factors, L. monocytogenes is susceptible to various natural plant-derived antimicrobials. Research focuses on identifying NPDA active against L. monocytogenes and their mechanisms of action, as well as demonstrating their antimicrobial effects in food models.
Listeria monocytogenes is a foodborne pathogen, sporadically present in various food product groups. An illness caused by the pathogen, named listeriosis, has high fatality rates. Even though L. monocytogenes is resistant to many environmental factors, e.g., low temperatures, low pH and high salinity, it is susceptible to various natural plant-derived antimicrobials (NPDA), including thymol, carvacrol, eugenol, trans-cinnamaldehyde, carvone S, linalool, citral, (E)-2-hexenal and many others. This review focuses on identifying NPDAs active against L. monocytogenes and their mechanisms of action against the pathogen, as well as on studies that showed antimicrobial action of the compounds against the pathogen in food model systems. Synergistic action of NDPA with other factors, biofilm inhibition and alternative delivery systems (encapsulation and active films) of the compounds tested against L. monocytogenes are also summarized briefly.
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