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All issues Volume 33 (2020) Aquat. Living Resour., 33 (2020) 19 Full HTML

Table 8

Selected fish fatty acid profile (% total identified fatty acids) of sea bass fed the VO-diet in CF (fish group in control-RAS) and UF (fish group in Ulva-RAS), as well as of wild and bi-weekly cultivated Ulva.

Fatty acid VO-diet CF (n = 3) UF (n = 3) p Wild Ulva (n = 5) Cultivated Ulva (n = 5) p
14:0 1.34 ± 0.02 1.85 ± 0.02 1.83 ± 0.02 NS 2.20 ± 0.05 2.44 ± 0.21 NS
14:1n-5 N/D 0.04 ± 0.00 0.03 ± 0.00 * 0.56 ± 0.09 0.69 ± 0.09 NS
15:0 0.14 ± 0.00 0.20 ± 0.00 0.20 ± 0.00 NS 0.36 ± 0.06 0.67 ± 0.09 NS
15:1 N/D 0.04 ± 0.00 0.02 ± 0.00 * 0.53 ± 0.03 0.70 ± 0.17 NS
16:0 19.01 ± 0.06 17.66 ± 0.07 17.84 ± 0.04 * 23.71 ± 0.89 20.19 ± 0.29 **
16:1n-9 0.09 ± 0.00 0.38 ± 0.00 0.38 ± 0.00 NS 0.49 ± 0.00 0.80 ± 0.16 NS
16:1n-7 1.34 ± 0.03 2.82 ± 0.04 2.73 ± 0.03 NS 2.24 ± 0.15 3.18 ± 0.58 NS
16:2 0.08 ± 0.01 0.15 ± 0.01 0.15 ± 0.00 NS 0.78 ± 0.07 0.89 ± 0.05 NS
16:3n-4 0.10 ± 0.00 0.12 ± 0.00 0.12 ± 0.00 NS 2.62 ± 0.50 2.68 ± 0.36 NS
16:4n-3 0.02 ± 0.01 0.06 ± 0.00 0.06 ± 0.00 NS N/D 0.30 ± 0.00  
18:0 3.20 ± 0.01 3.71 ± 0.04 3.65 ± 0.03 NS 14.13 ± 0.25 13.24 ± 0.53 NS
18:1n-9 44.67 ± 0.22 37.47 ± 0.08 37.77 ± 0.10 * 16.50 ± 1.37 17.49 ± 2.11 NS
18:1n-7 N/D 2.60 ± 0.02 2.68 ± 0.01 *** 6.37 ± 0.61 6.00 ± 0.86 NS
19:0 0.07 ± 0.00 0.12 ± 0.00 0.12 ± 0.00 NS 0.44 ± 0.01 0.41 ± 0.00 NS
18:2n-6 14.87 ± 0.02 12.78 ± 0.08 13.02 ± 0.08 * 5.51 ± 0.29 5.98 ± 0.65 NS
18:3n-3 3.97 ± 0.01 2.86 ± 0.02 2.91 ± 0.01 * 2.03 ± 0.13 2.35 ± 0.64 NS
18:4n-3 0.46 ± 0.01 0.53 ± 0.00 0.52 ± 0.01 NS 1.67 ± 0.26 1.99 ± 1.21 NS
18:4n-1 0.01 ± 0.01 0.05 ± 0.00 0.05 ± 0.00 NS 0.67 ± 0.35 0.44 ± 0.13 NS
20:0 0.43 ± 0.02 0.31 ± 0.00 0.33 ± 0.00 ** 1.09 ± 0.35 1.09 ± 0.07 NS
20:1n-9 1.05 ± 0.07 2.31 ± 0.02 2.31 ± 0.02 NS 1.86 ± 0.73 1.67 ± 0.33 NS
20:1n-7 0.06 ± 0.05 0.11 ± 0.00 0.11 ± 0.00 NS 0.58 ± 0.17 0.48 ± 0.07 NS
20:4n-6 0.22 ± 0.01 0.36 ± 0.01 0.33 ± 0.00 * 0.58 ± 0.19 0.60 ± 0.16 NS
20:5n-3 (EPA) 2.10 ± 0.06 2.59 ± 0.02 2.56 ± 0.03 NS 1.10 ± 0.05 1.27 ± 0.12 NS
22:0 0.24 ± 0.00 0.13 ± 0.00 0.13 ± 0.00 NS 1.14 ± 0.33 1.29 ± 0.13 NS
22:1n-11 0.85 ± 0.02 0.96 ± 0.02 0.97 ± 0.02 NS 1.29 ± 0.25 1.24 ± 0.30 NS
22:5n-3 0.25 ± 0.07 0.56 ± 0.00 0.54 ± 0.01 * 0.93 ± 0.05 1.02 ± 0.54 NS
22:6n-3 (DHA) 3.00 ± 0.10 4.40 ± 0.05 4.13 ± 0.06 ** 1.06 ± 0.04 1.16 ± 0.11 NS
24:1n-9 0.19 ± 0.02 0.33 ± 0.01 0.36 ± 0.01 * 1.01 ± 0.40 0.72 ± 0.00 NS
Total SFA 25.32 ± 0.11 25.38 ± 0.09 25.09 ± 0.07 * 54.10 ± 1.09 49.76 ± 0.46 *
Total MONO 48.82 ± 0.19 47.64 ± 0.14 48.15 ± 0.08 * 32.85 ± 1.63 34.34 ± 1.97 NS
Total PUFA 25.94 ± 0.21 26.87 ± 0.10 26.71 ± 0.07 NS 16.01 ± 1.08 17.36 ± 2.27 NS
Total n-3 PUFA 10.31 ± 0.19 11.81 ± 0.10 11.44 ± 0.09 * 7.04 ± 0.51 7.88 ± 2.43 NS
Total n-6 PUFA 15.24 ± 0.03 14.23 ± 0.07 14.47 ± 0.08 * 6.01 ± 0.42 6.59 ± 0.54 NS
n-3 HUFA 5.71 ± 0.18 8.68 ± 0.05 7.80 ± 0.09 * 3.34 ± 0.15 3.46 ± 0.62 NS
n-6 HUFA 0.32 + 0.03 1.22 ± 0.02 1.20 ± 0.02 NS 0.67 ± 0.14 0.60 ± 0.16 NS
n-3/n-6 0.68 ± 0.01 0.83 ± 0.01 0.79 ± 0.01 * 1.19 ± 0.15 1.25 ± 0.43 NS

SFA: Saturated fatty acids, MONO: Monounsaturated fatty acids, PUFA: Polyunsaturated fatty acids, HUFA: Polyunsaturated fatty acids with number of C > 20, NS: non-significant, N/D: not detected.

Mean values at the same line for each species with different letter in superscript are significantly different.

Values are given as mean ± SE. *p < 0.05, **p < 0.01, ***p < 0.001.

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