Table 8. Effects of dietary PA levels on liver fatty acids composition of juvenile blunt snout bream.
Dietary PA levels | ||||||
---|---|---|---|---|---|---|
3.39 | 10.54 | 19.28 | 31.04 | 48.38 | 59.72 | |
Fatty acid composition (% of total fatty acids) | ||||||
C14:0 | 1.66±0.02bc | 1.76±0.03c | 1.64±0.01b | 1.38±0.01a | 1.42±0.00a | 1.36±0.08a |
C16:0 | 19.82±0.75a | 20.51±0.52a | 23.97±0.77b | 24.20±0.72b | 24.15±0.41b | 24.07±0.70b |
C18:0 | 13.89±0.68 | 13.53±0.80 | 13.00±0.05 | 13.30±0.01 | 13.19±0.03 | 13.43±0.06 |
C20:0 | 0.13±0.00b | 0.12±0.01b | 0.13±0.01b | 0.10±0.01a | 0.13±0.01b | 0.11±0.01a |
ΣSFA | 35.49±0.47a | 35.93±1.27a | 38.74±0.72b | 38.98±0.71b | 38.89±0.40b | 38.98±0.62b |
C16:1n-9 | 3.23±0.26bc | 3.38±0.52c | 3.26±0.06bc | 3.38±0.03c | 2.530±10a | 2.78±0.08ab |
C18:1n-9 | 31.34±0.50 | 31.41±0.76 | 30.92±0.16 | 30.03±0.30 | 30.70±1.71 | 30.02±0.69 |
C20:1n-9 | 0.88±0.03b | 0.82±0.04ab | 0.73±0.05a | 0.75±0.05a | 0.73±0.05a | 0.78±0.02ab |
ΣMUFA | 35.44±0.34 | 35.61±0.96 | 34.91±0.24 | 34.15±0.30 | 33.96±0.99 | 33.57±0.78 |
C18:2n-6 | 13.17±0.04 | 13.15±0.64 | 12.10±0.60 | 13.13±0.30 | 13.50±0.54 | 13.19±0.34 |
C18:3n-3 | 0.89±0.11 | 0.88±0.13 | 0.82±0.02 | 0.77±0.03 | 0.94±0.03 | 0.83±0.20 |
C20:5n-3(EPA) | 0.93±0.06 | 0.81±0.08 | 0.71±0.10 | 0.75±0.03 | 0.77±0.08 | 0.77±0.06 |
C22:5n-3 | 0.53±0.12 | 0.54±0.15 | 0.52±0.12 | 0.58±0.00 | 0.58±0.11 | 0.57±0.03 |
C22:6n-3(DHA) | 6.34±0.82b | 5.64±0.58ab | 4.98±0.22ab | 4.00±0.25a | 3.97±0.50a | 4.70±0.58ab |
ΣPUFA | 21.87±0.69c | 21.02±0.51bc | 19.14±0.46a | 19.98±0.30ab | 20.51±0.65abc | 20.55±0.14abc |
EPA+DHA | 7.27±0.81b | 6.45±0.62ab | 5.69±0.28ab | 5.50±0.28a | 5.48±0.26a | 5.96±0.53ab |
Values are presented as mean ± SD of four replications (n = 4). Means in the same row with different superscripts are significantly different (P < 0.05).