Strain

pH

4.0

5.0

5.5

6.0

6.5

FB1

1.22 ± 0.33cB^*

4.22 ± 0.47aB

10.45 ± 1.65aA

3.45 ± 0.65aB

2.41 ± 1.66aB

FB2

3.12 ± 0.25bB

2.45 ± 0.78aB

6.34 ± 1.32aB

2.40 ± 0.34aB

1.11 ± 0.19aB

FB3

6.52 ± 1.28aA

5.33 ± 1.58aB

8.56 ± 1.87aA

3.78 ± 0.28aB

2.61 ± 0.36aB

FB4

4.57 ± 0.67bB

3.44 ± 0.74aB

9.44 ± 1.90aA

2.86 ± 0.43aC

1.20 ± 0.45aC