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Table 2
Fatty acid composition (mass % of total FA, mean ± S.D.) of biofilm (after 7 months) (n = 3), maize and fish meals (n = 2). SFA: saturated FA; MUFA: monounsaturated FA; PUFA: polyunsaturated FA; Branched: FA [15iso+15anteiso+16iso+17iso+17anteiso].
| Biofilm | Meals | |||||
|---|---|---|---|---|---|---|
|
|
|
|||||
| Unenriched | Maize meal | Fish meal | Control | Maize | Fish | |
| ∑Branched | 1.5 ± 0.3 | 2.0 ± 0.7 | 1.9 ± 0.4 | 1.8 | 0.1 | 0.7 |
| 14:0 | 5.9 ± 0.2 | 9.4 ± 2.6 | 5.8 ± 1.1 | 6.2 | 0.3 | 6.8 |
| 15:0 | 0.4 ± 0.1 | 0.8 ± 0.6 | 1.2 ± 0.5 | 1.6 | 0.4 | 0.5 |
| 16:0 | 27.1 ± 1.6 | 25.0 ± 1.3 | 25.2 ± 1.5 | 26.4 | 17.7 | 22.0 |
| 17:0 | 0.3 ± 0.1 | 0.4 ± 0.2 | 0.5 ± 0.2 | 0.5 | 0.3 | 0.5 |
| 18:0 | 1.8 ± 1.0 | 2.0 ± 0.9 | 2.1 ± 0.9 | 2.5 | 5.2 | 4.9 |
| 19:0 | 0.1 ± 0.0 | 0.1 ± 0.0 | 0.1 ± 0.0 | 0.1 | 0.1 | 0.1 |
| 20:0 | 0.4 ± 0.1 | 0.4 ± 0.1 | 0.5 ± 0.0 | 0.5 | 1.2 | 0.2 |
| 22:0 | 0.3 ± 0.1 | 0.5 ± 0.1 | 0.5 ± 0.4 | 0.2 | 2.0 | 0.1 |
| 24:0 | 0.2 ± 0.3 | 0.0 ± 0.0 | 0.1 ± 0.0 | 0.0 | 1.2 | 0.3 |
| ∑SFA | 36.4 ± 2.4 | 38.6 ± 2.2 | 35.9 ± 2.7 | 38.1 | 28.4 | 34.9 |
| 16:1n-9 | 0.7 ± 0.2 | 5.5 ± 3.5 | 4.1 ± 3.8 | 8.5 | 0.2 | 0.4 |
| 16:1n-7 | 12.6 ± 4.0 | 9.7 ± 1.8 | 10.2 ± 8.5 | 4.2 | 0.8 | 7.6 |
| 16:1n-5 | 0.7 ± 0.1 | 1.1 ± 1.3 | 0.3 ± 0.0 | 5.4 | 0.0 | 0.2 |
| 17:1n-8 | 0.3 ± 0.1 | 0.5 ± 0.2 | 0.8 ± 0.4 | 0.8 | 0.0 | 0.1 |
| 18:1n-9 | 1.6 ± 0.4 | 2.7 ± 2.1 | 5.9 ± 2.3 | 5.4 | 26.5 | 7.7 |
| 18:1n-7 | 4.7 ± 0.8 | 3.4 ± 1.4 | 2.4 ± 0.6 | 2.1 | 0.7 | 3.7 |
| 20:1n-11 | 0.3 ± 0.4 | 0.2 ± 0.2 | 0.1 ± 0.1 | 0.2 | 0.3 | 0.1 |
| 22:1n-7 | 0.0 ± 0.0 | 0.1 ± 0.0 | 0.0 ± 0.0 | 0.0 | 0.0 | 0.1 |
| 23:1n-9 | 0.1 ± 0.1 | 0.1 ± 0.0 | 0.1 ± 0.0 | 0.1 | 0.0 | 0.0 |
| 24:1n-9 | 1.7 ± 0.4 | 1.7 ± 0.1 | 0.8 ± 0.5 | 1.2 | 0.0 | 0.9 |
| ∑MUFA | 23.0 ± 4.4 | 25.3 ± 2.3 | 25.2 ± 6.0 | 28.5 | 29.2 | 22.4 |
| 18:2n-6 | 2.5 ± 0.6 | 1.7 ± 0.5 | 3.1 ± 2.2 | 1.7 | 38.7 | 0.9 |
| 18:3n-3 | 3.9 ± 1.6 | 1.6 ± 0.9 | 4.2 ± 4.8 | 3.7 | 2.2 | 0.5 |
| 18:4n-3 | 5.9 ± 1.3 | 5.1 ± 1.6 | 4.4 ± 3.2 | 3.3 | 0.0 | 2.3 |
| 20:3n-3 | 0.3 ± 0.1 | 1.9 ± 2.5 | 3.5 ± 2.8 | 5.8 | 0.1 | 0.1 |
| 20:4n-6 | 4.3 ± 2.4 | 3.2 ± 0.6 | 3.7 ± 2.1 | 1.8 | 0.1 | 1.0 |
| 20:5n-3 | 10.5 ± 2.3 | 9.9 ± 3.5 | 7.6 ± 0.3 | 6.3 | 0.1 | 14.8 |
| 22:6n-3 | 0.2 ± 0.2 | 0.5 ± 0.1 | 0.3 ± 0.1 | 0.0 | 0.3 | 11.1 |
| ∑PUFA | 27.9 ± 1.5 | 24.3 ± 3.1 | 27.1 ± 10.0 | 22.9 | 42.1 | 39.6 |
| ∑ Unknown | 0.2 ± 0.1 | 0.4 ± 0.3 | 0.5 ± 0.2 | 0.1 | 0.1 | 0.4 |
| ∑ Other | 11 ± 1.3 | 9.5 ± 2.5 | 9.5 ± 1.3 | 8.5 | 0.1 | 1.9 |
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