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Dairy Propionibacteria: Versatile Probiotics.

Houem Rabah1,2, Fillipe Luiz Rosa do Carmo3,4, Gwénaël Jan5

  • 1UMR 1253 Science et Technologie du Lait et de l'Œuf (STLO), Agrocampus Ouest, INRA, F-35042 Rennes, France. houem.rabah@inra.fr.

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Summary
This summary is machine-generated.

Dairy propionibacteria, known for food applications, show promising probiotic potential. They survive digestion, adhere to the gut, and modulate microbiota, immunity, and cancer pathways.

Keywords:
dairy propionibacteriadelivery vehiclefermented foodfunctional foodgut microbiotainflammationmetabolitesprobiotic

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Area of Science:

  • Food Microbiology
  • Probiotics
  • Gastroenterology

Background:

  • Dairy propionibacteria are utilized in food production for ripening and preservation.
  • Key species like Propionibacterium freudenreichii are Generally Recognized As Safe (GRAS) and Qualified Presumption of Safety (QPS) listed.
  • These bacteria are gaining recognition for their potential probiotic properties beyond technological applications.

Purpose of the Study:

  • To review and summarize the probiotic characteristics of dairy propionibacteria from recent literature.
  • To highlight their potential health benefits and the underlying molecular mechanisms.
  • To discuss their role as producers of beneficial nutraceuticals and metabolites.

Main Methods:

  • Literature review of updated scientific publications.
  • Analysis of studies reporting probiotic selection criteria (digestive tolerance, adhesion).
  • Categorization of beneficial effects (microbiota, immune, cancer modulation).

Main Results:

  • Dairy propionibacteria demonstrate resilience to digestive conditions and intestinal cell adhesion.
  • Reported benefits include modulation of gut microbiota, immune responses, and potential anti-cancer effects.
  • Production of beneficial metabolites like short chain fatty acids (SCFAs) and conjugated fatty acids contributes to their probiotic attributes.

Conclusions:

  • Dairy propionibacteria possess significant probiotic potential, supported by their safety status and functional properties.
  • Their ability to produce diverse nutraceuticals and metabolites enhances their health-promoting capabilities.
  • The choice of food matrix is crucial for optimizing the probiotic efficacy of dairy propionibacteria.