TABLE 2.
Fatty acid | Wild salmon composition (%) | Farmed salmon composition (%) | ||||
---|---|---|---|---|---|---|
NL | FFA | PL | NL | FFA | PL | |
C12:0 | 0.071 ± 0.001a | 0.09 ± 0.01 | n.d. | n.d. | n.d. | n.d. |
C13:0 (4,8,12‐trimethyl) b | 0.09 ± 0.02 | n.d. | n.d. | n.d. | n.d. | n.d. |
C14:0 | 4.28 ± 0.15 | 3.70 ± 0.31 | 0.97 ± 0.12 | 2.05 ± 0.03 | 2.88 ± 0.06 | 0.62 ± 0.05 |
C14:0 (13‐methyl) | 0.19 ± 0.01 | 0.15 ± 0.02 | n.d. | 0.05 ± 0.00 | n.d. | n.d. |
C14:0 (12‐methyl) | 0.13 ± 0.01 | 0.10 ± 0.01 | n.d. | 0.03 ± 0.01 | n.d. | n.d. |
C15:0 | 0.42 ± 0.02 | 0.34 ± 0.02 | 0.23 ± 0.03 | 0.140 ± 0.003 | 0.26 ± 0.01 | 0.13 ± 0.01 |
C16:0 | 18.08 ± 1.00 | 22.96 ± 0.83 | 22.86 ± 1.82 | 9.49 ± 0.09 | 19.14 ± 0.53 | 20.62 ± 0.89 |
C17:0 | 0.57 ± 0.05 | 0.36 ± 0.05 | 0.53 ± 0.08 | 0.21 ± 0.01 | 0.32 ± 0.01 | 0.29 ± 0.01 |
C18:0 | 3.67 ± 0.18 | 5.43 ± 0.23 | 4.01 ± 0.40 | 2.59 ± 0.07 | 7.55 ± 0.23 | 1.57 ± 0.06 |
C20:0 | 0.10 ± 0.01 | 0.10 ± 0.01 | n.d. | 0.283 ± 0.004 | 0.220 ± 0.005 | 0.08 ± 0.01 |
C22:0 | n.d. | n.d. | n.d. | 0.08 ± 0.01 | n.d. | n.d. |
C24:0 | n.d. | n.d. | n.d. | 0.07 ± 0.01 | n.d. | n.d. |
∑ SFA | 27.62 ± 1.45 | 33.21 ± 1.49 | 28.60 ± 2.46 | 15.00 ± 0.22 | 30.37 ± 0.85 | 23.30 ± 1.02 |
C16:1n‐9c | 0.15 ± 0.02 | 0.13 ± 0.02 | n.d. | 0.137 ± 0.004 | 0.13 ± 0.01 | 0.12 ± 0.01 |
C16:1n‐7c | 6.22 ± 0.23 | 4.43 ± 0.47 | 1.05 ± 0.16 | 2.32 ± 0.04 | 2.06 ± 0.03 | 0.46 ± 0.03 |
C16:1n‐5c | 0.27 ± 0.01 | 0.30 ± 0.02 | n.d. | n.d. | n.d. | n.d. |
C17:1n‐7c | 0.24 ± 0.01 | 0.22 ± 0.02 | n.d. | 0.098 ± 0.004 | n.d. | n.d. |
C18:1n‐12c | 0.86 ± 0.29 | 0.92 ± 0.14 | 0.64 ± 0.16 | 0.17 ± 0.03 | n.d. | n.d. |
C18:1n‐9c | 17.76 ± 1.27 | 11.52 ± 0.47 | 7.42 ± 1.04 | 44.65 ± 0.45 | 28.34 ± 0.42 | 11.04 ± 0.79 |
C18:1n‐7c | 4.14 ± 0.97 | 3.44 ± 0.50 | 1.98 ± 0.40 | 3.04 ± 0.05 | 2.68 ± 0.03 | 1.78 ± 0.08 |
C18:1n‐5c | 0.28 ± 0.03 | 0.27 ± 0.03 | n.d. | n.d. | n.d. | n.d. |
C20:1n‐11c | 0.89 ± 0.10 | 0.48 ± 0.06 | 0.23 ± 0.03 | 0.19 ± 0.03 | n.d. | n.d. |
C20:1n‐9c | 7.54 ± 0.72 | 3.85 ± 0.20 | 1.24 ± 0.20 | 3.24 ± 0.25 | 1.67 ± 0.10 | 0.31 ± 0.03 |
C20:1n‐7c b | 0.26 ± 0.06 | 0.15 ± 0.03 | n.d. | 0.11 ± 0.01 | n.d. | n.d. |
C22:1n‐9c | 8.07 ± 1.20 | 3.27 ± 0.20 | 0.30 ± 0.01 | 1.26 ± 0.29 | 0.46 ± 0.08 | 0.11 ± 0.01 |
C24:1n‐9c | 0.60 ± 0.10 | 0.29 ± 0.07 | n.d. | 0.07 ± 0.01 | 0.26 ± 0.01 | 0.28 ± 0.01 |
∑ MUFA | 47.29 ± 4.99 | 29.27 ± 2.21 | 12.86 ± 1.99 | 55.27 ± 1.15 | 35.60 ± 0.69 | 14.09 ± 0.97 |
C16:2n‐4c | 0.27 ± 0.05 | 0.18 ± 0.02 | n.d. | 0.17 ± 0.01 | 0.20 ± 0.03 | n.d. |
C18:2n‐6c (LA) | 1.08 ± 0.04 | 0.77 ± 0.03 | 0.34 ± 0.03 | 14.40 ± 0.12 | 13.88 ± 0.26 | 2.84 ± 0.16 |
C18:3n‐6c | n.d. | n.d. | n.d. | 0.08 ± 0.01 | n.d. | n.d. |
C18:3n‐3c (ALA) | 0.88 ± 0.06 | 0.67 ± 0.02 | 0.20 ± 0.02 | 6.23 ± 0.31 | 7.13 ± 0.41 | 2.45 ± 0.18 |
C18:4n‐3c | 1.23 ± 0.18 | 0.79 ± 0.14 | 0.21 ± 0.01 | 0.49 ± 0.04 | 0.43 ± 0.03 | 0.13 ± 0.02 |
C20:2n‐6c | 0.24 ± 0.03 | 0.15 ± 0.02 | n.d. | 0.774 ± 0.003 | 0.61 ± 0.01 | 0.30 ± 0.03 |
C20:3n‐6c | 0.06 ± 0.01 | 0.05 ± 0.01 | n.d. | 0.18 ± 0.02 | 0.15 ± 0.02 | 0.20 ± 0.02 |
C20:3n‐3c | 0.19 ± 0.02 | 0.14 ± 0.02 | n.d. | 0.34 ± 0.01 | 0.31 ± 0.01 | 0.18 ± 0.03 |
C20:4n‐6c | 0.29 ± 0.04 | 0.55 ± 0.03 | 0.60 ± 0.08 | 0.13 ± 0.01 | 0.16 ± 0.00 | 0.56 ± 0.03 |
C20:4n‐3c | 1.33 ± 0.15 | 1.05 ± 0.06 | 0.44 ± 0.03 | 0.56 ± 0.05 | 0.55 ± 0.04 | 0.49 ± 0.06 |
C20:5n‐3c (EPA) | 6.32 ± 0.23 | 10.72 ± 0.66 | 8.15 ± 0.58 | 2.08 ± 0.06 | 4.30 ± 0.12 | 8.90 ± 0.24 |
C21:5n‐3c | 0.38 ± 0.03 | 0.24 ± 0.02 | 0.31 ± 0.04 | 0.04 ± 0.02 | 0.116 ± 0.004 | 0.15 ± 0.02 |
C22:5n‐3c | 2.67 ± 0.30 | 2.39 ± 0.31 | 2.84 ± 0.56 | 1.05 ± 0.04 | 0.66 ± 0.05 | 2.50 ± 0.25 |
C22:6n‐3c (DHA) | 10.08 ± 0.95 | 19.81 ± 1.70 | 44.44 ± 1.78 | 2.61 ± 0.22 | 3.88 ± 0.24 | 39.46 ± 0.81 |
∑ PUFA | 25.00 ± 2.19 | 37.49 ± 3.05 | 57.53 ± 3.13 | 29.15 ± 0.92 | 32.38 ± 1.23 | 58.16 ± 1.85 |
∑ n‐3 | 23.06 ± 2.02 | 35.79 ± 2.93 | 56.60 ± 3.02 | 13.40 ± 0.75 | 17.37 ± 0.91 | 54.26 ± 1.61 |
∑ n‐6 | 1.67 ± 0.11 | 1.52 ± 0.09 | 0.94 ± 0.11 | 15.57 ± 0.16 | 14.81 ± 0.29 | 3.90 ± 0.24 |
Abbreviation: n.d., not detected.
aValues are expressed as mean ± standard deviation.
The FA is not confirmed by a standard, only by NIST library search.