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