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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