Table 8. Fatty acid composition in muscle of the large yellow croakerfed diets containing different lipid sources (%, of total fatty acid).
Fatty acids | FO | SO | LO | RO | PO | ANOVA P-value |
---|---|---|---|---|---|---|
14:0 | 3.24±0.07a | 2.45±0.11b | 2.45±0.03b | 2.46±0.11b | 2.56±0.05b | 0.000 |
16:0 | 14.91±0.51a | 14.08±0.53ab | 13.26±0.29b | 13.53±0.36b | 14.03±0.76ab | 0.024 |
18:0 | 6.88±0.33 | 7.73±0.71 | 6.54±0.39 | 7.01±0.65 | 7.47±0.68 | 0.159 |
20:0 | 1.26±0.60 | 1.08±0.49 | 1.04±0.5 | 1.44±0.05 | 1.70±0.13 | 0.338 |
∑SFA | 27.87±0.38c | 26.82±0.32bc | 24.73±0.49a | 25.65±0.69ab | 27.92±0.34c | 0.000 |
16:1n-7 | 6.49±0.06b | 5.90±0.39ab | 5.13±0.64a | 5.48±0.45ab | 6.07±0.2ab | 0.016 |
18:1n-9 | 19.66±0.62a | 21.36±1.28ab | 19.33±0.67a | 26.43±0.88c | 22.96±0.94b | 0.000 |
20:1n-7 | 4.51±0.44 | 3.84±0.45 | 3.8±0.33 | 4.19±0.17 | 3.93±0.23 | 0.135 |
22:1n-9 | 5.97±0.48 | 5.08±0.11 | 5.31±0.22 | 5.11±0.45 | 5.36±0.31 | 0.057 |
∑MUFA | 38.00±1.16b | 37.14±1.79ab | 34.50±1.43a | 42.15±0.27c | 39.31±0.57bc | 0.000 |
18:3n-3 | 1.89±0.06a | 2.93±0.10b | 11.00±0.52c | 3.30±0.19b | 1.72±0.09a | 0.000 |
18:4n-3 | 1.27±0.02a | 0.82±0.15b | 0.82±0.04b | 0.79±0.04b | 0.87±0.14b | 0.000 |
20:4n-3 | 0.98±0.08b | 0.69±0.13a | 0.77±0.02ab | 0.67±0.15a | 0.79±0.06ab | 0.031 |
20:5n-3 (EPA) | 4.97±0.17a | 3.52±0.62b | 3.46±0.07b | 3.55±0.16b | 3.56±0.27b | 0.001 |
22:5n-3 | 1.75±0.10 | 1.32±0.28 | 1.48±0.19 | 1.46±0.08 | 1.43±0.08 | 0.078 |
22:6n-3 (DHA) | 10.62±0.85a | 8.36±1.32b | 8.78±0.89b | 8.49±0.47b | 8.51±0.39b | 0.043 |
∑n-3 PUFA | 21.48±0.90b | 17.64±1.95a | 26.31±1.19c | 18.26±0.70a | 16.88±0.96a | 0.000 |
18:2n-6 | 10.17±0.08a | 16.11±0.37c | 12.15±0.75b | 12.42±0.65b | 13.51±0.75b | 0.000 |
18:3n-6 | 0.30±0.01a | 0.22±0.00b | 0.21±0.01b | nd | 0.23±0.01b | 0.000 |
20:4n-6 | 0.75±0.10b | 0.53±0.08a | 0.61±0.08ab | 0.59±0.07ab | 0.55±0.02a | 0.031 |
∑n-6 PUFA | 12.51±0.13a | 18.05±0.11c | 14.11±0.83b | 13.87±0.98b | 15.45±0.19b | 0.000 |
n-3/n-6 PUFA | 1.73±0.07c | 0.99±0.12a | 1.87±0.13c | 1.27±0.14b | 1.12±0.07ab | 0.000 |
DHA/EPA | 2.13±0.10 | 2.38±0.08 | 2.53±0.23 | 2.39±0.21 | 2.40±0.10 | 0.095 |
Values are represented as the means of three replicates. Means in the same row with different superscripts are significantly different (P < 0.05)
FO: fish oil; SO: soybean oil; LO: linseed oil; RO: rapeseed oil; PO: peanut oil.