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Probiotic potentials of Pediococuss acidilactici isolated from wara; A Nigerian unripened soft cheese

  • 2020-09
  • Heliyon 6(9)
    • Temidayo Emmanuel Olajugbagbe
    • Oluwatosin Esther Elugbadebo
    • B. O. Omafuvbe


The probiotic potential of Pediococcus acidilactici isolated from Wara, a Nigerian unripened soft cheese from cow milk was investigated in this study. The strain was evaluated for tolerance to low pH, bile salts, high osmotic pressure, exopolysaccharide production, auto-aggregation, microbial adhesion to solvent, survival in simulated gastro-intestinal juice and antimicrobial properties. The strain showed resistance to high acid and bile conditions surviving at pH 2 and 1.5% bile salt concentration. The strain survived at 8% Sodium chloride and produced exopolysaccharide. P. acidilactici possessed high auto-aggregative ability and hydrophobicity (>70%). Furthermore, the strain did not show hemolytic activity and survived in the presence of simulated gastric juice at pH 2 and simulated intestinal juice. The strain exhibited a broad spectrum inhibition against pathogens. The study concluded that P. acidilactici strain isolated from wara could be a useful probiotic for the development of functional food products.

Keywords: Antimicrobial; Biotechnology; Gastrointestinal system; Microbiology; Nutrition; Pediococcus acidilactici; Probiotic; Wara.

Research Insights

SupplementHealth OutcomeEffect TypeEffect Size
Pediococcus acidilacticiAbsence of Hemolytic ActivityBeneficial
Pediococcus acidilacticiIncreased Exopolysaccharide ProductionBeneficial
Pediococcus acidilacticiIncreased Inhibition of Pathogenic BacteriaBeneficial
Pediococcus acidilacticiIncreased Survival in High Osmotic PressureBeneficial
Pediococcus acidilacticiSurvival in Simulated Gastro-Intestinal ConditionsBeneficial
Pediococcus acidilactici MAK92P26AAbsence of Hemolytic ActivityBeneficial
Pediococcus acidilactici MAK92P26AEnhanced Antimicrobial ResistanceBeneficial
Pediococcus acidilactici MAK92P26AImproved Probiotic SurvivalBeneficial
Pediococcus acidilactici VPro29Enhanced Antimicrobial ActivityBeneficial
Pediococcus acidilactici VPro29Increased Resistance to Gastrointestinal ConditionsBeneficial
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