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Table 4 Log CFU mL -1 of CFS-treated L. monocytogenes (A), S. aureus (B) and Salmonella (MI1) (C) delayed cultures

From: Potential of cell-free supernatants from cultures of selected lactic acid bacteria and yeast obtained from local fermented foods as inhibitors of Listeria monocytogenes, Salmonella spp. and Staphylococcus aureus

A. L. monocytogenes
Day CFS (%)   CFS  
   Total LAB Lactococcus Labmix S. thermophilus
0 0   1.38 × 106 ± 2.56 × 104  
  30   1.45 × 106 ± 1.06 × 104  
  40   1.88 × 106 ± 1.52 × 104  
  50   1.68 × 106 ± 2.82 × 104  
1.5 0   1.28 × 109 ± 7.03 × 108  
  30 3.35 × 108 ± 3.53 × 107* 8.50 × 108 ± 7.07 × 107** 2.05 × 108 ± 7.07 × 106* 4.40 × 108 ± 8.48 × 107**
  40 ND 1.55 × 108 ± 3.53 × 107* 4.15 × 108 ± 7.77 × 107* 5.80 × 108 ± 2.82 × 107**
  50 5.25 × 108 ± 7.07 × 106** 8.50 × 108 ± 7.07 × 106** 2.90 × 108 ± 1.41 × 107* 2.55 × 108 ± 6.36 × 107*
B. S. aureus  
Day CFS (%)   CFS  
   Total LAB Lactococcus Labmix S. thermophilus
0 0   4.30 × 106 ± 1.76 × 104  
  20   3.57 × 106 ± 3.53 × 104  
  25   3.41 × 106 ± 3.53 × 104  
1.5 0   2.20 × 108 ± 4.24 × 107  
  20 8.50 × 107 ± 7.07 × 106* 8.60 × 108 ± 8.48 × 107** 2.85 × 108 ± 2.12 × 107** 2.15 × 108 ± 7.07 × 106**
  25 2.20 × 108 ± 8.48 × 107** 7.50 × 107 ± 3.53 × 107* 5.00 × 107 ± 0.0* 9.00 × 107 ± 2.82 × 107*
C. Salmonella MI1
Day CFS (%)   CFS  
   Total LAB Lactococcus Labmix S. thermophilus
0 0   1.55 × 106 ± 4.24 × 104  
  20   1.75 × 106 ± 1.06 × 104  
  25   1.56 × 106 ± 2.82 × 104  
1.5 0   5.90 × 108 ± 3.39 × 107  
  20 2.00 × 107 ± 1.41 × 107* 5.00 × 107 ± 1.41 × 107* 2.00 × 107 ± 1.41 × 107* 2.50 × 107 ± 7.07 × 106*
  25 ND 4.50 × 107 ± 2.12 × 107* 2.00 × 107 ± 1.41 × 107* 2.50 × 107 ± 7.07 × 106*
  1. For each bacterium, those experimental CFUs that are significantly less than the respective day 1.5 control CFU are marked with (*), while those that are not are marked with (**). ND- not done.