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Table 2 Short chain fatty acid profiles produced by E. coli KUB-36

From: Anti-cancer and anti-inflammatory effects elicited by short chain fatty acids produced by Escherichia coli isolated from healthy human gut microbiota

SCFA

SCFA concentration (mM)

4 h

8 h

12 h

16 h

20 h

24 h

Acetic acid

21.45 ± 0.01d

23.89 ± 0.12a

23.47 ± 0.44b

23.41 ± 0.17b

22.26 ± 0.34c

21.28 ± 0.04e

Butyric acid

1.53 ± 0.04c

3.01 ± 0.27a

3.00 ± 0.04a

2.01 ± 0.28b

1.46 ± 0.26d

0.47 ± 0.02e

Iso-butyric acid

0.70 ± 0.27c

1.69 ± 0.22a

1.66 ± 0.07a

0.84 ± 0.47b

0.29 ± 0.28d

ND

Propionic acid

1.34 ± 0.12c

2.15 ± 0.31a

2.13 ± 0.29a

1.52 ± 0.21b

1.36 ± 0.17c

0.50 ± 0.05d

Valeric acid

1.70 ± 0.13b

2.83 ± 0.28a

2.81 ± 0.46a

1.60 ± 0.09b

0.86 ± 0.03c

0.33 ± 0.13d

Iso-valeric acid

1.44 ± 0.05b

2.78 ± 0.13a

2.71 ± 0.02a

1.44 ± 0.07b

0.84 ± 0.22c

ND

Caproic acid

1.77 ± 0.01d

3.63 ± 0.18a

3.58 ± 0.02b

2.02 ± 0.04c

1.08 ± 0.19e

0.56 ± 0.20f

  1. Data are mean ± SD values calculated from three replicate
  2. Different letters (a-f) in each row indicate a significant difference between means (p < 0.05). ND; non detected