Table 9. Nutritional fatty acid profiles of tilapia liver and mesenteric fat after 8 weeks of dietary treatments.
| Control | Fish oil | Algae meal | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1% | 3% | 5% | 1.75% | 5.26% | 8.77% | P | |||||||||
| Liver | |||||||||||||||
| mg ALA | 12.2 ± 0.3 | 20.2 ± 3.1 | 22.7 ± 3.3 | 18.4 ± 2.7 | 15.7 ± 3.3 | 14.4 ± 0.6 | 14.9 ± 2.3 | 0.2036 | |||||||
| mg EPA | 6.0 ± 1.0 | 22.0 ± 9.0 | 17.6 ± 2.1 | 23.5 ± 6.9 | 6.1 ± 0.8 | 5.7 ± 0.6 | 7.6 ± 0.6 | 0.0527 | |||||||
| mg DPA | 29.3 ± 4.0 | a,b | 51.0 ± 17.8 | a,b | 48.6 ± 9.0 | a,b | 72.9 ± 10.7 | a | 16.1 ± 1.7 | b | 15.5 ± 1.4 | b | 19.6 ± 2.4 | b | 0.0036 |
| mg DHA | 287.3 ± 39.0 | 266.1 ± 86.3 | 392.7 ± 34.8 | 511.2 ± 81.5 | 255.7 ± 36.8 | 392.9 ± 43.7 | 434.8 ± 46.0 | 0.0852 | |||||||
| mg Omega-3 | 368.1 ± 43.6 | 383.1 ± 109.4 | 515.5 ± 44.8 | 667.2 ± 85.1 | 321.1 ± 44.4 | 455.9 ± 46.6 | 494.8 ± 44.8 | 0.0620 | |||||||
| mg Omega-6 | 888.3 ± 41.1 | 662.0 ± 81.7 | 826.2 ± 77.3 | 941.7 ± 170.9 | 797.9 ± 92.0 | 695.5 ± 26.2 | 518.1 ± 19.3 | 0.0921 | |||||||
| mg Omega-6:3 | 2.41 ± 0.41 | 1.73 ± 1.03 | 1.60 ± 0.12 | 1.41 ± 0.36 | 2.49 ± 0.11 | 1.53 ± 0.11 | 1.05 ± 0.08 | 0.1552 | |||||||
| LC-PUFAs | 322.6 ± 43.4 | 339.1 ± 110.8 | 458.8 ± 43.5 | 607.6 ± 88.0 | 277.9 ± 41.0 | 414.1 ± 45.2 | 462.0 ± 44.6 | 0.0782 | |||||||
| Mesenteric fat | |||||||||||||||
| mg ALA | 669.4 ± 51.6 | a | 394.1 ± 86.5 | b | 565.6 ± 18.9 | a,b | 438.4 ± 17.6 | a,b | 450.0 ± 22.8 | a,b | 360.6 ± 10.8 | b | 305.8 ± 76.3 | b | 0.0034 |
| mg EPA | 133.9 ± 35.3 | 362.9 ± 138.2 | 349.1 ± 14.8 | 328.0 ± 95.3 | 109.4 ± 20.7 | 84.2 ± 11.1 | 112.0 ± 11.4 | 0.0535 | |||||||
| mg DPA | 383.7 ± 104.5 | 855.0 ± 317.0 | 956.8 ± 39.8 | 771.4 ± 198.3 | 276.5 ± 33.8 | 259.9 ± 22.9 | 340.8 ± 23.4 | 0.0568 | |||||||
| mg DHA | 593.2 ± 143.8 | c | 1041.6 ± 363.8 | b,c | 1280.3 ± 66.5 | b,c | 1002.4 ± 238.6 | b,c | 886.3 ± 57.5 | b,c | 1815.1 ± 34.0 | b | 3306.5 ± 109.2 | a | <0.0001 |
| mg Omega-3 | 2297.5 ± 342.0 | a,b | 2934.8 ± 779.9 | a,b | 3465.0 ± 147.3 | a,b | 2771.9 ± 514.6 | a,b | 2028.9 ± 153.5 | b | 2749.4 ± 39.6 | a,b | 4247.0 ± 159.9 | a | 0.0415 |
| mg Omega-6 | 14886 ± 642.5 | a | 9192.9 ± 962.2 | b,c,d | 10679 ± 603.9 | b,c | 7314.3 ± 746.0 | d | 10870 ± 378.6 | b | 7708.8 ± 102.3 | c,d | 6467.6 ± 125.9 | d | <0.0001 |
| mg Omega-6:3 | 6.48 ± 1.27 | a | 3.13 ± 1.59 | a,b | 3.08 ± 0.12 | a,b | 2.64 ± 0.88 | a,b | 5.36 ± 0.31 | a,b | 2.80 ± 0.04 | a,b | 1.52 ± 0.04 | b | 0.0097 |
| LC-PUFAs | 1110.8 ± 283.1 | b | 2259.4 ± 765.3 | a,b | 2586.2 ± 98.3 | a,b | 2101.8 ± 531.5 | a,b | 1272.2 ± 113.2 | b | 2159.3 ± 26.4 | a,b | 3759.3 ± 134.4 | a | 0.0247 |
All values are presented on a per 4oz (113 gram) serving basis.
Means with standard errors followed by different letters are significantly different (P<0.05).