Table 7. Hepatic fatty acid composition of the large yellow croaker fed diets containing different lipid sources (%, of total fatty acid).
Fatty acids | FO | SO | LO | RO | PO | ANOVA P-value |
---|---|---|---|---|---|---|
14:0 | 2.48±0.01c | 2.16±0.12b | 1.94±0.06a | 2.13±0.05ab | 2.06±0.09ab | 0.000 |
16:0 | 21.16±0.38 | 18.77±0.71 | 18.89±1.27 | 19.47±1.1 | 18.83±1.02 | 0.054 |
18:0 | 10.15±0.99 | 10.88±0.77 | 10.16±0.73 | 12.5±0.64 | 11.08±1.22 | 0.050 |
20:0 | 0.33±0.03ab | 0.30±0.01ab | 0.17±0.15a | 0.41±0.03b | 0.49±0.03b | 0.003 |
∑SFA | 35.21±1.06 | 32.90±1.16 | 31.97±1.43 | 35.19±1.30 | 33.73±1.91 | 0.068 |
16:1n-7 | 11.17±0.37b | 9.56±1.05ab | 9.48±0.45ab | 9.56±1.02ab | 9.09±0.46a | 0.045 |
18:1n-9 | 26.42±0.31a | 27.02±1.06a | 25.72±0.34a | 31.04±0.59c | 28.86±0.67b | 0.000 |
20:1n-7 | 3.9±0.21 | 3.56±0.40 | 3.45±0.26 | 3.37±0.28 | 3.77±0.32 | 0.303 |
22:1n-9 | 2.9±0.35 | 2.76±0.33 | 2.69±0.19 | 2.56±0.22 | 2.67±0.42 | 0.699 |
∑MUFA | 45.68±2.32ab | 43.79±1.45ab | 42.19±0.31a | 47.27±1.09b | 45.21±0.60ab | 0.013 |
18:3n-3 | 1.09±0.13a | 1.93±0.26a | 8.76±0.99b | 1.47±0.29a | 1.18±0.27a | 0.000 |
18:4n-3 | 0.56±0.04b | 0.33±0.01a | 0.41±0.07a | 0.36±0.06a | 0.32±0.04a | 0.000 |
20:4n-3 | 0.46±0.02c | 0.30±0.01b | 0.25±0.22a | 0.31±0.02a | 0.31±0.01a | 0.000 |
20:5n-3 (EPA) | 2.41±0.07b | 1.32±0.01a | 1.58±0.05a | 1.34±0.17a | 1.55±0.12a | 0.000 |
22:5n-3 | 1.01±0.13b | 0.40±0.13a | 0.51±0.21ab | 0.46±0.39ab | 0.52±0.28ab | 0.039 |
22:6n-3 (DHA) | 5.29±0.27b | 3.21±0.15a | 3.66±0.53a | 3.54±0.49a | 3.93±0.34a | 0.001 |
∑n-3 PUFA | 10.82±0.43b | 7.49±0.38a | 15.17±0.96c | 7.48±1.43a | 7.81±0.79a | 0.000 |
18:2n-6 | 7.41±0.32a | 14.81±1.53c | 9.82±0.82ab | 9.64±0.87ab | 12.19±1.7bc | 0.000 |
20:2n-6 | 0.31±0.01a | 0.46±0.06b | 0.33±0.04a | 0.27±0.06a | 0.36±0.01ab | 0.004 |
20:4n-6 | 0.60±0.03a | 0.34±0.01b | 0.37±0.02b | 0.35±0.05b | 0.37±0.07b | 0.000 |
∑n-6 PUFA | 8.32±0.33a | 15.85±1.59c | 10.52±0.83ab | 10.26±0.97ab | 12.92±1.71bc | 0.000 |
n-3/n-6 PUFA | 1.30±0.06c | 0.48±0.02a | 1.44±0.03d | 0.69±0.08b | 0.61±0.03b | 0.000 |
DHA/EPA | 2.20±0.07 | 2.43±0.10 | 2.32±0.40 | 2.63±0.05 | 2.54±0.02 | 0.111 |
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