Table 2. Percentage (mean ± SD) of the lipophilic compounds indentified and quantified in the distinct populations of marine iguanas (Amblyrhynchus cristatus).
| IS | MAR | PIN | GEN | SAN | ESP | FL | SFE | FDA | CRUZ | SRL | SRPC | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hexadecanoic acid | 13.17 ± 2.48 | 29.17 ± 15.15 | 38.47 ± 13.07 | 32.45 ± 16.63 | 29.68 ± 7.82 | 38.77 ± 9.79 | 11.51 ± 2.41 | 24.29 ± 8.72 | 18.91 ± 3.15 | 14.92 ± 2.95 | 15.84 ± 3.15 | 21.46 ± 12.49 |
| 9-Octadecenoic acid | 14.61 ± 2.53 | 12.48 ± 6.61 | 8.83 ± 8.43 | 12.52 ± 5.99 | 13.08 ± 4.54 | 17.53 ± 4.50 | 12.07 ± 1.75 | 15.73 ± 3.03 | 13.68 ± 2.27 | 15.16 ± 2.10 | 11.05 ± 6.42 | 15.16 ± 5.90 |
| 11-Octadecenoic acid | 2.60 ± 0.65 | 0.61 ± 0.95 | 0.00 ± 0 | 0.00 ± 0 | 1.98 ± 1.89 | 0.32 ± 0.90 | 1.94 ± 0.68 | 0.70 ± 1.07 | 2.03 ± 0.79 | 2.05 ± 0.36 | 2.59 ± 0.96 | 0.87 ± 0.94 |
| Octadecanoic acid | 7.98 ± 1.42 | 17.42 ± 13.11 | 22.07 ± 13.69 | 16.24 ± 7.76 | 14.28 ± 4.04 | 19.80 ± 5.85 | 6.77 ± 1.08 | 10.61 ± 2.89 | 10.78 ± 1.88 | 8.32 ± 1.41 | 8.90 ± 1.06 | 12.75 ± 8.91 |
| 5,8,11,14-Eicosatetraenoic acid | 5.76 ± 1.01 | 4.49 ± 3.73 | 3.39 ± 4.55 | 2.10 ± 3.59 | 3.53 ± 2.52 | 4.47 ± 4.92 | 4.94 ± 0.81 | 3.28 ± 3.16 | 6.28 ± 1.02 | 6.04 ± 0.84 | 6.26 ± 1.21 | 5.23 ± 2.95 |
| 11-Eicosenoic acid | 1.00 ± 0.24 | 0.00 ± 0 | 0.00 ± 0 | 0.00 ± 0 | 0.12 ± 0.31 | 1.20 ± 3.39 | 0.39 ± 0.35 | 0.00 ± 0 | 0.08 ± 0.28 | 0.62 ± 0.45 | 0.51 ± 0.38 | 0.00 ± 0 |
| 13-Eicosenoic acid | 0.59 ± 0.24 | 0.00 ± 0 | 0.00 ± 0 | 0.00 ± 0 | 0.08 ± 0.22 | 0.00 ± 0 | 0.19 ± 0.27 | 0.00 ± 0 | 0.00 ± 0 | 0.19 ± 0.24 | 0.04 ± 0.13 | 0.00 ± 0 |
| Eicosanoic acid | 2.75 ± 0.57 | 3.68 ± 3.09 | 2.36 ± 3.30 | 1.58 ± 2.91 | 6.56 ± 2.09 | 6.23 ± 5.06 | 2.80 ± 1.52 | 1.35 ± 2.04 | 4.12 ± 1.05 | 3.11 ± 0.5 | 3.57 ± 0.82 | 3.30 ± 2.11 |
| Docosanoic acid | 1.94 ± 0.34 | 2.39 ± 2.75 | 2.14 ± 2.95 | 0.48 ± 1.27 | 3.91 ± 2.12 | 1.94 ± 2.90 | 3.12 ± 0.58 | 1.85 ± 2.21 | 2.82 ± 0.80 | 2.29 ± 0.33 | 2.71 ± 0.68 | 2.87 ± 1.87 |
| Tetracosanoic acid | 1.81 ± 0.28 | 1.98 ± 2.27 | 0.87 ± 1.96 | 0.58 ± 1.55 | 4.02 ± 2.01 | 1.49 ± 2.80 | 2.76 ± 0.48 | 1.28 ± 1.92 | 2.57 ± 0.68 | 2.14 ± 0.36 | 2.91 ± 0.88 | 2.35 ± 1.79 |
| Cholesterol | 38.50 ± 5.68 | 23.54 ± 13.93 | 21.93 ± 14.11 | 32.59 ± 16.21 | 18.03 ± 6.01 | 8.23 ± 9.22 | 40.41 ± 5.12 | 34.49 ± 6.28 | 33.18 ± 6.08 | 39.56 ± 6.61 | 37.65 ± 8.17 | 29.98 ± 16.25 |
| Cholestanol | 7.85 ± 1.93 | 3.86 ± 6.30 | 0.00 ± 0 | 1.42 ± 3.7 | 4.56 ± 6.48 | 0.00 ± 0 | 10.53 ± 1.96 | 6.20 ± 5.97 | 4.32 ± 3.76 | 4.01 ± 2.08 | 5.45 ± 2.60 | 4.06 ± 2.56 |
| Cholestanone | 1.41 ± 0.58 | 0.36 ± 0.89 | 0.00 ± 0 | 0.00 ± 0 | 0.15 ± 0.39 | 0.00 ± 0 | 2.54 ± 1.02 | 0.34 ± 1.03 | 1.21 ± 1.06 | 1.56 ± 0.74 | 2.51 ± 1.31 | 1.96 ± 2.41 |
Notes:
Most influential compounds contributing to dissimilarity among populations (SIMPER analysis) are marked in bold.
Abbreviations for the populations: IS, Isabela; MAR, Marchena; PIN, Pinta; GEN, Genovesa; SAN, Santiago; ESP, Española; FL, Floreana; SFE, Santa Fe; FDA, Fernandina; CRUZ, Santa Cruz; SRL, San Cristóbal (La Lobería); SRPC, San Cristóbal (Punta Pitt).