Table 4.
Fatty acid (% of the total FAs mixture) of U. armoricana and S. chordalis.
| Fatty Acid (FAs) a | ECL c | U. armoricana (%) | S. chordalis (%) |
|---|---|---|---|
| Saturated fatty acids (SFAs) | |||
| 14:0 | 14.00 | 0.6 ± 0.2 | 2.6 ± 0.2 |
| 15:0 | 15.00 | 0.4 ± 0.1 | 1.4 ± 0.1 |
| 16:0 | 16.00 | 42.0 ± 0.2 | 45.0 ± 0.2 |
| 18:0 | 18.00 | 1.0 ± 0.1 | 9.9 ± 0.1 |
| 22:0 | 22.00 | 2.3 ± 0.1 | nd b |
| 24:0 | 24.00 | 0.2 ± 0.1 | nd b |
| Total SFAs | 46.5 ± 0.1 | 58.9 ± 0.1 | |
| Monounsaturated fatty acids (MUFAs) | |||
| 14:1 | 13.63 | 0.4 ± 0.1 | nd b |
| 15:1 | 14.57 | nd b | 0.2 ± 0.1 |
| 16:1n-9 | 15.79 | 2.7 ± 0.1 | nd b |
| 16:1n-7 | 15.94 | 1.9 ± 0.1 | nd b |
| 16:1 | 15.76 | nd b | 0.2 ± 0.1 |
| 17:1n-7 | 16.77 | nd b | 18.5 ± 0.1 |
| 18:1 | 17.14 | 1.9 ± 0.1 | nd b |
| 18:1n-9 | 17.71 | nd b | 3.4 ± 0.1 |
| 18:1n-7 | 17.78 | 17.3 ± 0.1 | 4.0 ± 0.1 |
| Total MUFAs | 24.3 ± 0.1 | 26.3 ± 0.1 | |
| Polyunsaturated fatty acids (PUFAs) | |||
| 14:2 | 13.53 | 1.6 ± 0.1 | nd b |
| 16:4n-3 | 15.61 | 6.4 ± 0.1 | nd b |
| 18:4n-3 | 17.70 | 8.6 ± 0.1 | nd b |
| 18:3n-3 | 17.77 | 0.5 ± 0.1 | nd b |
| 18:2n-6 | 17.80 | 3.7 ± 0.1 | nd b |
| 18:2n-3 | 17.87 | 8.4 ± 0.1 | nd b |
| 20:5n-3 | 19.21 | Trace | 5.0 ± 0.1 |
| 20:4n-6 | 19.33 | Trace | 9.8 ± 0.1 |
| Total PUFAs | 29.2 ± 0.1 | 14.8 ± 0.1 | |
| Total n-6 PUFAs | 3.7 ± 0.1 | 9.8 ± 0.1 | |
| Total n-3 PUFAs | 23.9 ± 0.1 | 5.0 ± 0.1 | |
| Ratio n-6/n-3 | 0.1 ± 0.1 | 1.9 ± 0.1 | |
a Methyl ester (%) of total FA of total FA mixture; b nd, not detected; c ECLs, equivalent chain lengths; Minor FA (≤0.1%), Docosenoic (22:1); Values are the mean of three replicates (mean (% dw) ± s.d.); s.d., standard deviation.