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Table 2 Acid resistance of 48 L. fermentum strains grown in PBS at pH 2.5 for 4 h

From: Technological properties and probiotic potential of Lactobacillus fermentum strains isolated from West African fermented millet dough

Strains Viable count (log cfu/ml)a Survival rate (%)b
  0 h 4 h  
L. fermentum 6–6 8.87 ± 0.02 7.36 ± 0.11 83.0
L. fermentum f-7 9.11 ± 0.06 8.05 ± 0.04 88.4
L. fermentum f-17 9.05 ± 0.10 6.48 ± 0.12 71.6
L. fermentum 6–1 8.70 ± 0.05 4.33 ± 0.03 49.8
L. fermentum 6–2 9.21 ± 0.05 6.00 ± 0.08 65.1
L. fermentum 10–4 9.03 ± 0.13 3.58 ± 0.05 39.6
L. fermentum 10–9 9.45 ± 0.04 8.20 ± 0.00 86.8
L. fermentum f-26 9.20 ± 0.06 7.04 ± 0.02 76.5
L. fermentum f-29 9.18 ± 0.03 8.10 ± 0.06 88.2
L. fermentum 10–1 8.84 ± 0.11 3.65 ± 0.09 41.3
L. fermentum 12–5 8.92 ± 0.08 5.54 ± 0.05 62.1
L. fermentum 10–3 9.00 ± 0.01 6.35 ± 0.05 70.6
L. fermentum 4–12 8.96 ± 0.15 4.08 ± 0.10 45.5
L. fermentum 12-18A 9.10 ± 0.07 8.26 ± 0.06 90.8
L. fermentum 12-19A 9.37 ± 0.05 7.99 ± 0.12 85.3
L. fermentum 12-20A 9.05 ± 0.08 8.35 ± 0.03 92.3
L. fermentum 12-6A 9.38 ± 0.15 4.82 ± 0.10 51.4
L. fermentum 8-16A 9.33 ± 0.06 3.50 ± 0.08 37.5
L. fermentum 4–20 8.66 ± 0.02 7.58 ± 0.10 87.5
L. fermentum 4-12A 9.35 ± 0.05 4.65 ± 0.06 49.7
L. fermentum f-11A 9.22 ± 0.08 4.05 ± 0.12 45.0
L. fermentum f-22 9.40 ± 0.04 5.50 ± 0.05 58.5
L. fermentum f-2A 8.78 ± 0.05 4.80 ± 0.10 54.1
L. fermentum 2–15 9.08 ± 0.10 8.20 ± 0.14 90.3
L. fermentum 2-3A 9.08 ± 0.07 6.18 ± 0.04 68.0
L. fermentum 6-13A 9.20 ± 0.15 3.95 ± 0.10 42.9
L. fermentum 0–17 9.35 ± 0.06 8.00 ± 0.07 85.6
L. fermentum 2-23A 9.28 ± 0.10 3.20 ± 0.14 34.5
L. fermentum 8–10 9.64 ± 0.10 7.95 ± 0.08 82.5
L. fermentum 0-25A 9.50 ± 0.04 8.06 ± 0.15 84.8
L. fermentum 10–31 9.00 ± 0.06 6.50 ± 0.04 72.2
L. fermentum 2-14A 9.47 ± 0.12 4.45 ± 0.10 46.9
L. fermentum f-5A 8.85 ± 0.07 8.11 ± 0.05 91.6
L. fermentum f-22A 8.91 ± 0.05 3.80 ± 0.12 42.6
L. fermentum 12–15 8.80 ± 0.15 5.65 ± 0.06 64.2
L. fermentum 10-19A 9.06 ± 0.07 3.90 ± 0.10 43.0
L. fermentum 10–24 7.98 ± 0.10 4.00 ± 0.08 50.1
L. fermentum 10-16A 9.18 ± 0.08 5.45 ± 0.15 59.4
L. fermentum 8–13 9.50 ± 0.14 4.85 ± 0.05 51.1
L. fermentum 8-5A 9.06 ± 0.06 7.30 ± 0.10 80.6
L. fermentum 8–20 9.35 ± 0.08 6.03 ± 0.07 64.5
L. fermentum 8–28 9.28 ± 0.12 8.45 ± 0.09 91.1
L. fermentum 6-18A 9.09 ± 0.10 6.60 ± 0.10 72.6
L. fermentum 6–23 9.11 ± 0.06 5.84 ± 0.05 64.1
L. fermentum 4–30 9.36 ± 0.08 8.00 ± 0.16 85.5
L. fermentum 4-16A 9.20 ± 0.14 5.36 ± 0.09 58.3
L. fermentum 4-10A 8.97 ± 0.05 2.66 ± 0.15 29.7
L. fermentum 12–7 9.06 ± 0.10 3.50 ± 0.07 38.6
  1. aValues are means ± standard deviation of two independent experiments
  2. bacid resistant strains with mean survival rates ≥80 % after 4 h in are in bold