Table 3.
Concentrations (mmol/l) of fermentation products in caecum and colon contents of rats given different dietary treatments
| |
Diet group 1 |
||||
|---|---|---|---|---|---|
| CONT | CELL | FOS | GLUC | PECT | |
|
Caecum |
|
|
|
|
|
|
Concentrations (mmol/l) |
|
|
|
|
|
| Total |
68.9 ± 7.01a |
61.2 ± 7.79a |
115.9 ± 10.80b,c |
131.7 ± 6.82c |
97.7 ± 6.88b |
| Acetate |
47.6 ± 2.72a |
41.2 ± 3.14a |
21.7 ± 3.51b |
23.8 ± 3.38b |
49.2 ± 6.00a |
| Propionate |
8.6 ± 0.58a,b |
6.7 ± 0.48b,c |
4.0 ± 0.89c |
11.9 ± 1.88a |
7.8 ± 0.70b,c |
| Butyrate |
7.1 ± 0.58a,b |
8.0 ± 1.37a,b |
10.3 ± 2.29a |
7.5 ± 1.48a,b |
3.9 ± 0.84b |
| Succinate |
5.3 ± 4.70a |
6.2 ± 3.52a |
74.2 ± 11.03b |
88.5 ± 8.93b |
36.8 ± 7.14c |
| Lactate |
1.3 ± 0.92 |
0.0 |
5.7 ± 4.64 |
0.0 |
0.0 |
|
Proportional concentrations |
|
|
|
|
|
| Acetate |
0.69 |
0.67 |
0.19 |
0.18 |
0.50 |
| Propionate |
0.12 |
0.11 |
0.03 |
0.09 |
0.08 |
| Butyrate |
0.10 |
0.13 |
0.09 |
0.06 |
0.04 |
| Succinate |
0.08 |
0.10 |
0.64 |
0.67 |
0.38 |
| Lactate |
0.02 |
0.00 |
0.05 |
0.00 |
0.00 |
|
Colon |
|
|
|
|
|
|
Concentrations (mmol/l) |
|
|
|
|
|
| Total |
63.5 ± 6.53a,b |
52.0 ± 6.51b |
121.3 ± 4.51c |
131.0 ± 5.41c |
79.7 ± 8.63a |
| Acetate |
40.9 ± 4.59a |
33.4 ± 2.96a |
15.7 ± 1.85b |
16.4 ± 3.46b |
32.4 ± 3.97a |
| Propionate |
7.7 ± 0.77 |
6.4 ± 0.74 |
3.6 ± 0.99 |
5.0 ± 1.50 |
6.6 ± 1.20 |
| Butyrate |
5.6 ± 0.82 |
8.2 ± 3.08 |
5.4 ± 1.30 |
5.3 ± 1.74 |
2.9 ± 0.70 |
| Succinate |
6.7 ± 3.41a |
3.0 ± 0.80a |
92.0 ± 9.35b |
104.3 ± 6.73b |
37.8 ± 8.70c |
| Lactate |
2.6 ± 1.98 |
1.0 ± 0.79 |
4.6 ± 3.87 |
0.0 |
0.0 |
|
Proportional concentrations |
|
|
|
|
|
| Acetate |
0.64 |
0.64 |
0.13 |
0.13 |
0.41 |
| Propionate |
0.12 |
0.12 |
0.03 |
0.04 |
0.08 |
| Butyrate |
0.09 |
0.16 |
0.04 |
0.04 |
0.04 |
| Succinate |
0.11 |
0.06 |
0.76 |
0.80 |
0.47 |
| Lactate | 0.04 | 0.02 | 0.04 | 0.00 | 0.00 |
1Diets were control (CONT) or contained 10% w/w fibre as cellulose (CELL), fructo-oligosaccharide (FOS), oat beta-glucan (GLUC) or apple pectin (PECT). Values are means ± s.e.m. (n = 10/group). Within rows, values without a common letter are significantly different (P < 0.05).