Table 1.
Fatty acids contents (mean ± SD; g/100 g FA) in fat extracted from the land snails species examined (n = 3 replicates of each pool of samples). SFA = Saturated fatty acids, MUFA = monounsatured fatty acids, PUFA = polyunsaturated fatty acids.
| Fatty Acid | T. pisana Raw | T. pisana Boiled | C. aspersum Raw | C. aspersum Boiled | E. vermiculata Raw | E. vermiculata Boiled |
|---|---|---|---|---|---|---|
| Myristic (C14:0) | 0.73 ± 0.01 | 1.06 ± 0.01 | 0.76 ± 0.08 | 0.59 ± 0.03 | 0.81 ± 0.01 | 0.63 ± 0.00 |
| Palmitic (C16:0) | 12.63 ± 0.04 | 15.75 ± 0.16 | 16.02 ± 0.27 | 13.2 4 ± 0.36 | 14.63 ± 0.13 | 13.31 ± 0.00 |
| Margaric (C17:0) | 1.02 ± 0.01 | 1.22 ± 0.07 | 1.13 ± 0.05 | 1.35 ± 0.07 | 1.36 ± 0.07 | 1.04 ± 0.03 |
| Stearic (C18:0) | 5.41 ± 0.08 | 6.31 ± 0.96 | 7.72 ± 0.2 | 7.24 ± 0.14 | 7.66 ± 0.03 | 7.59 ± 0.01 |
| Arachidic (C20:0) | 0.63 ± 0.00 | 0.69 ± 0.04 | 0.71 ± 0.03 | 0.39 ± 0.02 | 0.81 ± 0.02 | 0.37 ± 0.00 |
| Behenic (C22:0) | 0.31 ± 0.00 | 0.29 ± 0.01 | 0.64 ± 0.04 | 0.19 ± 0.00 | 0.31 ± 0.02 | 0.39 ± 0.00 |
| ∑SFA | 20.72 | 25.32 | 26.97 | 23.01 | 25.58 | 23.35 |
| Myristoleic (C14:1) | 0.53 ± 0.00 | 0.59 ± 0.02 | 0.52 ± 0.03 | 0.65 ± 0.03 | 0.23 ± 0.01 | 0.58 ± 0.02 |
| Palmitoleic (C16:1) | 0.50 ± 0.02 | 0.27 ± 0.05 | 0.32 ± 0.08 | 1.35 ± 0.06 | 0.40 ± 0.04 | 0.37 ± 0.01 |
| Eptadecenoic (C17:1) | 0.52 ± 0.01 | 0.54 ± 0.04 | 0.81 ± 0.04 | 1.08 ± 0.04 | 1.01 ± 0.03 | 1.10 ± 0.00 |
| Eicosenoic (C20:1) | 0.37 ± 0.00 | 0.26 ± 0.03 | 0.37 ± 0.04 | 0.50 ± 0.02 | 0.17 ± 0.05 | 0.48 ± 0.00 |
| Erucic (C22:1) | 0.52 ± 0.00 | - | - | - | - | - |
| Oleic (C18:1ω:9) | 28.83 ± 0.08 | 28.83 ± 0.46 | 23.79 ± 1.72 | 29.95 ± 0.46 | 26.03 ± 0.63 | 29.71 ± 0.07 |
| ∑MUFA | 31.27 | 30.49 | 25.81 | 33.53 | 27.86 | 32.24 |
| Linoleic (C18:2 ω6) | 18.78 ± 0.02 | 21.35 ± 0.10 | 22.15 ± 0.13 | 19.07 ± 0.16 | 21.94 ± 0.13 | 19.20 ± 0.02 |
| Linolenic (C18:3 ω3) | 7.64 ± 0.02 | 8.87 ± 0.16 | 15.78 ± 0.09 | 15.14 ± 0.20 | 12.40 ± 0.41 | 15.53 ± 0.00 |
| Eicosadienoic (C20:2) | 5.29 ± 0.02 | 5.44 ± 0.04 | 3.98 ± 0.02 | 4.64 ± 0.02 | 4.21 ± 0.40 | 4.69 ± 0.00 |
| Arachidonic (C20:4) | 6.28 ± 0.08 | 7.17 ± 0.19 | 4.26 ± 0.20 | 4.18 ± 0.01 | 6.40 ± 0.52 | 4.27 ± 0.03 |
| Eicosapentaenoic (C20:5) | 9.85 ± 0.01 | 1.15 ± 0.51 | 0.62 ± 0.07 | 0.40 ± 0.05 | 1.30 ± 0.06 | 0.43 ± 0.01 |
| Docosahexaenoic (C22:6) | 0.18 ± 0.01 | 0.21 ± 0.00 | 0.43 ± 0.01 | 0.13 ± 0.00 | 0.33 ± 0.03 | 0.29 ± 0.01 |
| ∑PUFA | 48.10 | 44.19 | 47.22 | 43.56 | 46.56 | 44.41 |
| ω3/ω6 | 0.58 | 0.30 | 0.55 | 0.56 | 0.43 | 0.58 |
| PUFA/SFA | 2.32 | 1.75 | 1.75 | 1.89 | 1.82 | 1.90 |