Table 3 Liver fatty acid contents of three fish fed the experimental diets with vegetable oil instead of fish oil 1 (mg/g, Mean ± SEM) * .
From: Regulation of FADS2 transcription by SREBP-1 and PPAR-α influences LC-PUFA biosynthesis in fish
Fatty acid | RFO 1 | RFV 2 | RVO 3 | JFO 4 | JFV 5 | JVO 6 | LFO 7 | LFV 8 | LVO 9 |
---|---|---|---|---|---|---|---|---|---|
C14:0 | 0.49 ± 0.09a | 0.27 ± 0.00b | 0.20 ± 0.00b | 1.42 ± 0.17 | 1.56 ± 0.03 | 1.70 ± 0.06 | 1.56 ± 0.19a | 0.97 ± 0.02b | 0.77 ± 0.07b |
C16:0 | 8.66 ± 0.10a | 6.61 ± 0.15b | 6.70 ± 0.23b | 8.57 ± 0.04b | 8.42 ± 0.33b | 10.36 ± 0.37a | 17.43 ± 0.79a | 18.61 ± 0.71a | 14.16 ± 0.32b |
C18:0 | 5.23 ± 0.11 | 5.45 ± 0.08 | 4.66 ± 0.32 | 4.25 ± 0.11b | 4.65 ± 0.23b | 6.81 ± 0.17a | 10.44 ± 0.36c | 14.35 ± 0.35a | 12.59 ± 0.17b |
∑SFA 10 | 14.38 ± 0.19a | 12.33 ± 0.13b | 11.56 ± 0.30b | 14.25 ± 0.32b | 14.64 ± 0.56b | 18.87 ± 0.48a | 29.01 ± 1.01b | 33.93 ± 0.61a | 27.52 ± 0.22b |
C16:1 | 1.63 ± 0.27a | 0.62 ± 0.01b | 0.38 ± 0.06b | 2.33 ± 0.18 | 2.35 ± 0.07 | 2.30 ± 0.13 | 5.59 ± 0.33a | 4.98 ± 0.19ab | 3.85 ± 0.35b |
C18:1 | 6.99 ± 0.45b | 5.73 ± 0.25b | 10.48 ± 0.71a | 10.41 ± 0.31c | 123.23 ± 0.15b | 32.08 ± 0.61a | 24.55 ± 0.89c | 28.81 ± 0.34b | 32.30 ± 0.09a |
∑MUFA 11 | 8.63 ± 0.40b | 6.35 ± 0.24c | 10.86 ± 0.77a | 12.74 ± 0.49c | 25.58 ± 0.22b | 34.27 ± 0.68a | 30.13 ± 1.10b | 33.79 ± 0.53a | 36.15 ± 0.27a |
C18:2n-6 | 3.04 ± 0.45b | 3.42 ± 0.11b | 6.18 ± 0.21a | 3.33 ± 0.29b | 2.66 ± 0.35b | 5.40 ± 0.39a | 6.80 ± 0.40c | 15.28 ± 0.29b | 34.64 ± 0.26a |
C20:4n-6 | 1.87 ± 0.16b | 1.74 ± 0.34b | 2.29 ± 0.41a | 0.10 ± 0.00a | 0.06 ± 0.01b | 0.03 ± 0.00c | 0.24 ± 0.02a | 0.15 ± 0.01b | 0.05 ± 0.02c |
∑n-6 PUFA 12 | 4.91 ± 0.54b | 5.16 ± 0.15b | 8.48 ± 0.23a | 3.43 ± 0.29b | 2.71 ± 0.36b | 5.45 ± 0.38a | 7.04 ± 0.39c | 15.43 ± 0.30b | 34.69 ± 0.27a |
C18:3n-3 | 0.53 ± 0.09b | 0.51 ± 0.02b | 1.09 ± 0.03a | 0.48 ± 0.08b | 0.70 ± 0.08ab | 0.84 ± 0.06a | 1.49 ± 0.12c | 4.36 ± 0.30b | 6.74 ± 0.06a |
C20:5n-3 | 1.29 ± 0.13a | 0.72 ± 0.02b | 0.78 ± 0.08b | 0.20 ± 0.01a | 0.06 ± 0.01b | 0.03 ± 0.00c | 1.34 ± 0.08a | 0.71 ± 0.06b | 0.14 ± 0.00c |
C22:6n-3 | 18.60 ± 1.37a | 13.38 ± 0.15b | 11.89 ± 1.64b | 0.65 ± 0.03a | 0.16 ± 0.03b | 0.07 ± 0.01b | 2.64 ± 0.08a | 1.21 ± 0.07b | 0.27 ± 0.04c |
∑n-3 PUFA 13 | 20.42 ± 1.60a | 14.61 ± 0.15b | 13.76 ± 1.73b | 1.33 ± 0.12a | 1.34 ± 0.22a | 0.94 ± 0.05b | 5.47 ± 0.04b | 6.27 ± 0.41ab | 7.16 ± 0.01a |
∑n-3/∑n-6 PUFA | 4.21 ± 0.31a | 2.84 ± 0.05b | 1.62 ± 0.18c | 0.39 ± 0.00a | 0.34 ± 0.03a | 0.17 ± 0.02b | 0.78 ± 0.04a | 0.41 ± 0.02b | 0.21 ± 0.00c |
∑n-3 LC-PUFA | 19.89 ± 1.50a | 14.10 ± 0.14b | 12.67 ± 1.72b | 0.85 ± 0.03a | 0.22 ± 0.04b | 0.10 ± 0.01b | 3.98 ± 0.15a | 1.92 ± 0.13b | 0.42 ± 0.05c |
Total fatty acids | 43.35 ± 0.16 | 42.59 ± 1.61 | 45.28 ± 1.55 | 34.05 ± 1.37c | 47.37 ± 1.30b | 62.20 ± 0.91a | 79.85 ± 3.15c | 90.13 ± 3.51ab | 104.86 ± 4.87a |