Table 8.
Effect of BSFLM on fatty acid composition in the muscle of fish (% total fatty acids)1.
| Fatty acids | Diets |
P-value | ||||||
|---|---|---|---|---|---|---|---|---|
| SM | BSFLM15 | BSFLM30 | BSFLM45 | BSFLM60 | BSFLM75 | BSFLM100 | ||
| C12:0 | 1.25 ± 0.17d | 1.78 ± 0.29c | 2.13 ± 0.21bc | 2.21 ± 0.08bc | 3.49 ± 0.21a | 3.24 ± 0.36a | 2.53 ± 0.29b | 0.00 |
| C14:0 | 1.60 ± 0.25bc | 1.54 ± 0.33c | 1.59 ± 0.15bc | 1.91 ± 0.21abc | 2.02 ± 0.25ab | 2.27 ± 0.26a | 2.16 ± 0.21a | 0.01 |
| C16:0 | 21.11 ± 0.73bc | 20.40 ± 0.44c | 20.20 ± 0.46c | 22.22 ± 1.11ab | 21.30 ± 0.38abc | 22.02 ± 0.30ab | 22.45 ± 0.64a | 0.00 |
| C18:0 | 6.21 ± 0.74 | 5.22 ± 0.50 | 6.03 ± 0.89 | 5.59 ± 0.19 | 5.95 ± 0.41 | 5.81 ± 0.54 | 5.29 ± 0.43 | 0.32 |
| ∑SFA | 28.39 ± 3.85ab | 28.83 ± 1.27ab | 29.52 ± 0.42b | 32.34 ± 2.18ab | 32.70 ± 0.42a | 33.46 ± 0.37a | 32.45 ± 1.25ab | 0.02 |
| C16:1n-7 | 5.97 ± 0.32b | 7.16 ± 0.56a | 7.18 ± 0.50a | 7.35 ± 0.27a | 6.84 ± 0.30a | 7.54 ± 0.20a | 7.29 ± 0.29a | 0.00 |
| C18:1n-7 | 2.88 ± 1.06 | 2.03 ± 0.15 | 2.64 ± 0.50 | 2.73 ± 0.86 | 3.06 ± 1.15 | 2.75 ± 0.81 | 2.43 ± 0.75 | 0.80 |
| C18:1n-9 | 31.12 ± 2.40 | 33.65 ± 0.84 | 31.14 ± 2.84 | 32.54 ± 0.16 | 31.64 ± 2.91 | 31.42 ± 2.84 | 31.78 ± 2.51 | 0.82 |
| C20:1n-9 | 0.72 ± 0.12d | 0.92 ± 0.04c | 1.04 ± 0.04bc | 0.69 ± 0.10d | 1.08 ± 0.04b | 1.09 ± 0.05b | 1.26 ± 0.10a | 0.00 |
| ∑MUFA | 40.70 ± 1.47 | 43.75 ± 1.21 | 42.00 ± 2.85 | 43.31 ± 1.12 | 42.62 ± 1.70 | 42.80 ± 2.31 | 42.77 ± 2.07 | 0.59 |
| C18:2n-6 | 15.33 ± 1.10ab | 16.30 ± 0.59a | 14.25 ± 0.54b | 11.77 ± 1.50c | 11.73 ± 0.57c | 11.37 ± 0.74c | 10.41 ± 1.39c | 0.00 |
| C18:3n-6 | 0.28 ± 0.07a | 0.19 ± 0.03ab | 0.24 ± 0.04a | 0.21 ± 0.08a | 0.19 ± 0.05ab | 0.11 ± 0.03bc | 0.07 ± 0.03c | 0.00 |
| C20:2n-6 | 0.86 ± 0.20 | 0.51 ± 0.42 | 0.69 ± 0.43 | 0.70 ± 0.53 | 0.71 ± 0.12 | 0.87 ± 0.30 | 1.19 ± 0.44 | 0.48 |
| C20:3n-6 | 2.79 ± 0.36a | 1.51 ± 0.15c | 1.88 ± 0.24bc | 2.00 ± 0.15bc | 2.24 ± 0.36b | 2.39 ± 0.36ab | 2.02 ± 0.26bc | 0.00 |
| C20:4n-6 | 3.97 ± 0.47 | 3.47 ± 0.54 | 4.21 ± 0.43 | 3.69 ± 0.26 | 3.32 ± 0.38 | 3.36 ± 0.50 | 4.20 ± 0.38 | 0.09 |
| C22:4n-6 | 1.72 ± 0.19b | 1.65 ± 0.19b | 2.30 ± 0.25a | 1.93 ± 0.33ab | 2.18 ± 0.07a | 1.98 ± 0.19ab | 2.27 ± 0.19a | 0.01 |
| ∑n-6 PUFA | 24.94 ± 1.03a | 23.63 ± 1.59a | 23.57 ± 0.64a | 20.30 ± 1.78b | 20.37 ± 0.20b | 20.09 ± 1.82b | 20.17 ± 1.53b | 0.00 |
| C18:3n-3 | 1.74 ± 0.23a | 1.49 ± 0.06ab | 1.40 ± 0.05ab | 1.45 ± 0.14ab | 1.48 ± 0.04ab | 1.13 ± 0.28b | 1.14 ± 0.28b | 0.01 |
| C20:5n-3 | 0.44 ± 0.11c | 0.62 ± 0.06c | 0.96 ± 0.13ab | 0.99 ± 0.17ab | 0.91 ± 0.12b | 0.92 ± 0.14b | 1.20 ± 0.25a | 0.00 |
| C22:5n-3 | 0.25 ± 0.10 | 0.23 ± 0.06 | 0.25 ± 0.09 | 0.19 ± 0.08 | 0.38 ± 0.13 | 0.17 ± 0.07 | 0.27 ± 0.12 | 0.23 |
| C22:6n-3 | 1.67 ± 0.06b | 1.62 ± 0.26ab | 1.93 ± 0.24ab | 1.82 ± 0.29ab | 1.87 ± 0.22ab | 1.89 ± 0.26ab | 2.15 ± 0.19a | 0.04 |
| ∑n-3 PUFA | 4.11 ± 0.14bc | 3.95 ± 0.36c | 4.54 ± 0.33ab | 4.45 ± 0.28abc | 4.64 ± 0.32ab | 4.32 ± 0.38abc | 4.77 ± 0.17a | 0.04 |
| ∑PUFA | 29.05 ± 3.78 | 27.59 ± 2.63 | 28.11 ± 1.87 | 24.75 ± 4.53 | 25.01 ± 4.16 | 24.41 ± 3.48 | 24.94 ± 3.44 | 0.53 |
| ∑HUFA | 10.78 ± 0.34b | 9.10 ± 1.21c | 11.53 ± 0.45ab | 10.62 ± 0.99b | 10.90 ± 0.20ab | 10.72 ± 0.73b | 12.12 ± 0.03a | 0.00 |
| n-3:n-6 | 0.16 ± 0.01c | 0.17 ± 0.01c | 0.19 ± 0.01bc | 0.22 ± 0.02ab | 0.23 ± 0.02ab | 0.22 ± 0.04ab | 0.24 ± 0.02a | 0.00 |
BSFLM = black soldier fly larvae meal; SM = soybean meal; ∑SFA = total saturated fatty acids; ∑MUFA = total monounsaturated fatty acid; ∑PUFA = total polyunsaturated fatty acid; ∑HUFA = total highly unsaturated fatty acids; n-3:n-6 = the ratio of ∑n-3 PUFA to ∑n-6 PUFA.
Values are mean ± SD (n = 3). Values with different superscript letters in the same row are significantly different (P < 0.05) from each other.