Table 3.
Colonic SCFA and carboxylic acid concentrations in weanling rats
| SCFA | Concna |
|||
|---|---|---|---|---|
| BD | RS |
|||
| 5% | 2.5% | 1.25% | ||
| Acetic | 20.4 ± 3.0 | 32.5 ± 2.3b | 26.8 ± 2.1b | 20.6 ± 1.8 |
| Propionic | 6.9 ± 1.3 | 10.1 ± 1.3b | 9.4 ± 1.1 | 6.0 ± 0.7 |
| Butyric | 5.6 ± 1.9 | 16.3 ± 3.1b | 12.1 ± 2.5b | 6.4 ± 1.2 |
| Lactic | 3.3 ± 0.5 | 6.0 ± 2.2b | 3.6 ± 0.4 | 2.7 ± 0.4 |
| Succinic | 2.3 ± 0.2 | 9.9 ± 5.3b | 4.3 ± 1.8 | 2.8 ± 0.3 |
a
Mean colonic digesta SCFA concentrations (mmol/g) ± SEM (n = 10) in conventional rats after 28 days of feeding the BD or the RS diet at 5%, 2.5%, or 1.25% RS.
b
Significantly different from the BD group (P < 0.05).