Table 3 Fatty acid concentrations (percent of total fatty acids, %TFA) of the four crab species (mean ± SD, n = 12 for each species). Bold numbers emphasize FA contents > 10%TFA. “-“ = traces < 0.1%TFA or not detected. * The term “Grasses” comprises species of the genus Panicum and Paspalum
Fatty acid (%TFA) | Per. aff. | Gra. alb. | Ori. int. | Geo. alb. | Ulva spec. | Grasses* | Leaf litter |
|---|---|---|---|---|---|---|---|
14:0 | 1.6 ± 1.1 | 0.6 ± 0.7 | 0.5 ± 0.6 | 0.1 ± 0.2 | 2.1 | 0.6 | 2.4 |
16:0 | 27.2 ± 9.9 | 19.0 ± 8.6 | 13.7 ± 6.5 | 10.8 ± 3.9 | 27.2 | 19.4 | 26.0 |
16:1(n-7) | 4.3 ± 2.1 | 2.6 ± 0.9 | 2.3 ± 1.6 | 1.5 ± 1.4 | 4.0 | – | 1.5 |
16:1(n-5) | 0.8 ± 0.3 | 0.4 ± 0.9 | 1.3 ± 0.4 | 0.9 ± 0.3 | – | – | – |
16:2(n-4) | 2.0 ± 1.3 | 1.6 ± 1.0 | 1.0 ± 1.6 | 4.2 ± 1.8 | 0.3 | – | 0.5 |
16:4(n-1) | 0.1 ± 0.1 | – | 0.8 ± 0.7 | – | – | – | – |
17:0 | 1.6 ± 0.4 | 1.9 ± 0.5 | 1.7 ± 0.3 | 1.4 ± 0.2 | 1.4 | 0.7- | 1.1 |
18:0 | 7.3 ± 4.6 | 9.6 ± 2.5 | 8.8 ± 1.9 | 7.8 ± 1.2 | 0.8 | 3.2 | 13.5 |
18:1(n-9) | 6.9 ± 1.5 | 9.9 ± 1.0 | 16.5 ± 5.1 | 19.1 ± 4.3 | 5.3 | 3.6 | 8.5 |
18:1(n-7) | 3.6 ± 0.7 | 5.7 ± 1.5 | 2.0 ± 0.6 | 1.2 ± 0.4 | 5.8 | 0.5 | 1.1 |
18:2(n-6) | 4.1 ± 0.9 | 5.9 ± 1.3 | 10.1 ± 2.8 | 11.2 ± 3.7 | 14.5 | 15.9 | 12.2 |
18:3(n-3) | 2.4 ± 0.9 | 1.9 ± 0.6 | 2.6 ± 1.3 | 2.0 ± 1.0 | 16.1 | 47.2 | 13.8 |
18:4(n-3) | 1.5 ± 1.0 | 0.4 ± 0.6 | 0.3 ± 1.0 | – | 3.8 | – | – |
20:0 | 0.7 ± 0.3 | 0.9 ± 0.2 | 0.8 ± 0.2 | 1.0 ± 0.2 | – | 1.6 | 3.5 |
20:2(n-6) | 1.0 ± 0.4 | 1.1 ± 0.4 | 0.9 ± 0.8 | 1.1 ± 0.5 | – | 0.3 | – |
20:3(n-6) | 1.2 ± 0.2 | 1.1 ± 0.2 | 0.7 ± 0.2 | 0.9 ± 0.2 | 0.7 | – | 0.7 |
20:4(n-6) | 13.3 ± 5.5 | 18.2 ± 6.5 | 13.5 ± 7.6 | 18.9 ± 9.3 | 2.6 | – | 0.5 |
20:5(n-3) | 9.8 ± 1.6 | 5.8 ± 1.8 | 7.8 ± 3.9 | 5.3 ± 2.7 | 2.8 | 1.3 | 4.2 |
22:0 | 0.5 ± 0.1 | 0.9 ± 0.4 | 0.8 ± 0.2 | 1.2 ± 0.2 | 0.4 | – | – |
22:5(n-3) | 0.9 ± 0.3 | 1.2 ± 0.9 | 0.8 ± 0.2 | 0.6 ± 0.3 | 1.5 | 2.4 | 3.9 |
22:6(n-3) | 1.6 ± 0.9 | 1.3 ± 0.9 | 2.4 ± 0.9 | 0.9 ± 0.5 | 0.3 | – | – |