Table 7. Nutritional fatty acid profiles of tilapia fillet and rib meat after 4 weeks of dietary treatments.
Control | Fish oil | Algae meal | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1% | 3% | 5% | 1.75% | 5.26% | 8.77% | P | |||||||||
Fillet | |||||||||||||||
mg ALA | 23.3 ± 0.9 | a,b | 23.7 ± 0.7 | a,b | 16.1 ± 1.7 | c | 21.4 ± 0.8 | a,b | 25.9 ± 0.4 | a | 16.0 ± 0.8 | c | 19.4 ± 0.2 | b,c | <0.0001 |
mg EPA | 6.4 ± 1.1 | 16.9 ± 6.6 | 12.6 ± 1.6 | 18.9 ± 6.1 | 5.5 ± 0.5 | 4.2 ± 0.6 | 7.2 ± 0.4 | 0.0894 | |||||||
mg DPA | 19.3 ± 4.1 | 42.9 ± 14.4 | 34.2 ± 4.7 | 42.0 ± 10.1 | 16.0 ± 1.4 | 10.7 ± 0.6 | 16.5 ± 0.5 | 0.0502 | |||||||
mg DHA | 64.8 ± 10.1 | b | 88.7 ± 21.3 | b | 86.8 ± 8.4 | b | 97.3 ± 18.8 | b | 104.5 ± 5.6 | b | 125.6 ± 2.2 | b | 213.9 ± 10.5 | a | <0.0001 |
mg Omega-3 | 138.7 ± 15.8 | 192.1 ± 41.0 | 163.5 ± 17.6 | 195.0 ± 34.9 | 176.6 ± 7.0 | 170.2 ± 3.1 | 270.6 ± 11.1 | 0.0557 | |||||||
mg Omega-6 | 630.3 ± 18.5 | a,b | 495.8 ± 61.5 | b,c | 355.5 ± 26.0 | c | 402.4 ± 32.4 | c | 683.8 ± 5.9 | a | 381.5 ± 5.4 | c | 395.6 ± 2.1 | c | <0.0001 |
mg Omega-6:3 | 4.54 ± 0.64 | a | 2.58 ± 1.05 | a,b | 2.18 ± 0.17 | a,b | 2.06 ± 0.61 | a,b | 3.87 ± 0.16 | a,b | 2.23 ± 0.01 | a,b | 1.46 ± 0.06 | b | 0.0122 |
LC-PUFAs | 90.5 ± 15.3 | b | 148.5 ± 42.2 | a,b | 133.6 ± 14.2 | a,b | 158.1 ± 34.9 | a,b | 126.0 ± 6.6 | a,b | 140.5 ± 2.5 | a,b | 237.6 ± 11.0 | a | 0.0298 |
Rib meat | |||||||||||||||
mg ALA | 52.8 ± 1.5 | a,b | 50.0 ± 2.5 | b | 66.0 ± 1.2 | a | 65.0 ± 4.8 | a | 41.3 ± 1.4 | b | 47.0 ± 2.4 | b | 26.5 ± 1.7 | c | <0.0001 |
mg EPA | 12.2 ± 1.4 | a,b | 34.3 ± 13.1 | a,b | 32.8 ± 4.6 | a,b | 46.4 ± 12.4 | a | 8.5 ± 1.0 | b | 10.8 ± 0.6 | a,b | 10.1 ± 0.7 | a,b | 0.0145 |
mg DPA | 35.6 ± 4.4 | 87.4 ± 31.1 | 94.8 ± 11.9 | 100.1 ± 22.2 | 22.4 ± 3.3 | 33.0 ± 2.1 | 25.8 ± 2.1 | 0.0584 | |||||||
mg DHA | 85.3 ± 15.1 | c | 151.6 ± 45.7 | a,b,c | 153.4 ± 18.4 | a,b,c | 186.8 ± 39.1 | a,b,c | 111.2 ± 20.1 | b,c | 260.4 ± 22.2 | a,b | 270.9 ± 31.4 | a | 0.0056 |
mg Omega-3 | 231.3 ± 20.6 | 357.7 ± 89.3 | 381.2 ± 34.2 | 431.6 ± 67.8 | 216.3 ± 23.7 | 383.2 ± 26.1 | 349.2 ± 30.9 | 0.0956 | |||||||
mg Omega-6 | 1274.7 ± 51.7 | a | 943.9 ± 94.5 | c | 1234.1 ± 28.3 | a,b | 974.3 ± 82.3 | b,c | 993.4 ± 33.5 | a,b,c | 1003.4 ± 19.2 | a,b,c | 518.4 ± 6.1 | d | <0.0001 |
mg Omega-6:3 | 5.51 ± 1.72 | a | 2.64 ± 1.23 | a,b | 3.24 ± 0.42 | a,b | 2.26 ± 0.62 | a,b | 4.59 ± 0.48 | a,b | 2.62 ± 0.15 | a,b | 1.48 ± 0.16 | b | 0.0107 |
LC-PUFAs | 133.1 ± 20.8 | 273.3 ± 89.2 | 281.0 ± 34.4 | 333.3 ± 73.3 | 142.2 ± 24.0 | 304.1 ± 23.8 | 306.7 ± 32.1 | 0.1059 |
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).