Table 4 Yields of extracellular FFAs of all strains under normal BG_11, BG₁₁-half N, and BG₁₁-N condition

0.53 ± 0.12^a

18.21 ± 6.10^h

29.52 ± 5.73^k

1.46 ± 0.19^A

6.11 ± 1.99^D

5.30 ± 1.09^D

1.20 ± 0.09^c

28.81 ± 6.55^j,i

101.43 ± 8.05^q

2.17 ± 0.09^B

9.93 ± 2.58^E

17.8 ± 1.80^F

1.25 ± 0.02^d,c

92.38 ± 19.25^m

182.54 ± 10.80^r

2.43 ± 0.59^B

34.3 ± 6.80^I,H

32.0 ± 1.05^I

1.73 ± 0.07^e

62.38 ± 2.18^l

376.19 ± 63.57^t

4.04 ± 0.28^C,D

20.0 ± 0.64^G,F

53.3 ± 0.46^J

0.77 ± 0.08^a

6.81 ± 1.66^g

30.24 ± 7.33^k

1.72 ± 0.18^A

13.6 ± 3.01^E

15.1 ± 3.39^F,E

1.04 ± 0.15^b

8.24 ± 1.20^g

32.14 ± 7.56^k

2.54 ± 0.38^B

7.26 ± 1.29^D

7.11 ± 2.06^D,E

1.19 ± 0.02^c,b

34.57 ± 4.88^k

65.87 ± 3.64^p

2.67 ± 0.08^B

28.9 ± 4.78^I,H

32.9 ± 1.72^I

1.73 ± 0.02^e

22.86 ± 1.78ⁱ

238.10 ± 36.67^s

3.94 ± 0.13^C

23.9 ± 1.82^H

149 ± 22.6^K