Food Bioprotection and Biopreservation: Protective Cultures, Bacteriocins, Bacteriophages, Bdellovibrios

A special issue of Foods (ISSN 2304-8158). This special issue belongs to the section "Food Packaging and Preservation".

Deadline for manuscript submissions: closed (20 February 2023) | Viewed by 4261

Special Issue Editors


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Guest Editor
Department of Food Science and Nutrition, University of Thessaly, Karditsa, Greece
Interests: food microbiology and biotechnology; industrial microbiology and fermentation technology; food preservation; natural antimicrobials and antioxidants; probiotics and prebiotics; beneficial microorganisms; medicinal and bioactive fungi
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Co-Guest Editor
Laboratory of Food Microbiology and Hygiene, Department of Food Science and Nutrition, School of the Environment, University of the Aegean, 81400 Myrina, Greece
Interests: biofilms; antimicrobial resistance and tolerance; foodborne bacterial pathogens; virulence and pathogenesis; disinfection; novel (green) antimicrobials; food hygiene and safety; quorum sensing; intercellular interactions; bacterial stress adaptation
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Biological protection, or bioprotection and biopreservation, are modern aspects of food microbiology and food preservation, since there is now a quest for low-processed food, green processing technologies, and natural methods of food preservation which could improve food safety and increase shelf life without the use of synthetic preservatives or intense thermal methods which can be energy-consuming and detrimental to the nutritional value of food.

Taking these into account, the use of either active microorganisms which produce antimicrobials or can act or compete against food pathogens and spoilage organisms has become an attractive research topic. Bacteriocins like nisin, or bacteriocin-producing cultures, have already been introduced in commercial food preservation, while other antimicrobials of microbial origin (such as organic acids) can also be utilized, either in purified form or via the use of bioprotective or probiotic cultures (e.g., in fermented foods). Additionally, the use of predatory microorganisms like Bdellovibrios, competing protective microorganisms (e.g., lactic acid bacteria, yeasts, and fungi) which can prevent pathogen growth or mycotoxin production in plants and foods, or the application of bacteriophages (phage therapy) have all gained great attention recently.

This Special Issue will attempt to shed light on the above aspects and enhance the current research in the promising field of bioprotection and biopreservation.

Dr. Ioannis Giavasis
Dr. Efstathios Giaouris
Guest Editors

Manuscript Submission Information

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Keywords

  • Food bioprotection and biopreservation
  • Role of probiotics in food preservation and safety
  • Bacteriocin production/applications and bioprotective cultures in fermented and nonfermented food
  • Bdellovibrios and other predatory microorganisms in food preservation and safety
  • Bacteriophages and phage therapy against food pathogens
  • Mycotoxin prevention by protective microorganisms
  • Bioprotection against biofilm formation

Published Papers (1 paper)

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Research

19 pages, 1780 KiB  
Article
Potential Probiotic Enterococcus faecium OV3-6 and Its Bioactive Peptide as Alternative Bio-Preservation
by Thiwanya Choeisoongnern, Sasithorn Sirilun, Rungaroon Waditee-Sirisattha, Komsak Pintha, Sartjin Peerajan and Chaiyavat Chaiyasut
Foods 2021, 10(10), 2264; https://0-doi-org.brum.beds.ac.uk/10.3390/foods10102264 - 24 Sep 2021
Cited by 13 | Viewed by 2933
Abstract
Probiotic Enterococcus faecium OV3-6 and its secreted active peptide were characterized and investigated. The strain survived in simulated gastric and small intestinal conditions at 88.16% and 94.33%, respectively. The safety assessment revealed that the strain was shown α-hemolysis and susceptible to most clinically [...] Read more.
Probiotic Enterococcus faecium OV3-6 and its secreted active peptide were characterized and investigated. The strain survived in simulated gastric and small intestinal conditions at 88.16% and 94.33%, respectively. The safety assessment revealed that the strain was shown α-hemolysis and susceptible to most clinically relevant antibiotics, but intermediate sensitivity to erythromycin and kanamycin was found. It does not harbor any virulence genes except for the efaAfm gene. Both of its living cells and the cell-free supernatants (CFS) of the strain significantly reduced the adhesion of E. coli and S. Typhi on Caco-2 cells. The strain can regulate the secretion of pro and inflammatory cytokines, IL-6 and IL-12 and induce the secretion of anti-inflammatory IL-10 of the Caco-2 cell. The strain can prevent the growth of Gram-positive strains belonging to the genera Bacillus, Carnobacterium, Listeria, and Staphylococcus. It also presented the entP gene that involves the production of bacteriocin named enterocin P. The antimicrobial peptide was matched 40% with 50S ribosomal proteins L29 (7.325 kDa), as revealed by LC-MS/MS. This active peptide exhibits heat stability, is stable over a wide pH range of 2−10, and maintains its activity at −20 and 4 °C for 12 weeks of storage. Altogether, E. faecium OV3-6 thus has potential for consideration as a probiotic and bio-preservative for applied use as a fermented food starter culture and in functional food or feed industries. Full article
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