Journal of Food Quality

Research Article

Algal and Vegetable Oils as Sustainable Fish Oil Substitutes in Rainbow Trout Diets: An Approach to Reduce Contaminant Exposure

Table 2

Fatty acid profile of experimental diets (% of total fatty acids).


	18 FO	18 SO	18 CO	18 COS	25 FO	25 SO	25 CO	25 COS

Fatty acid
14 : 0	3.4	0.0	0.0	3.2	5.3	0.0	0.0	5.3
16 : 0	14.7	13.1	8.4	12.6	13.2	14.4	9.5	12.0
18 : 0	2.6	3.7	2.6	2.2	2.1	4.1	2.9	1.7
Total SFA¹	20.7	16.8	11.0	17.9	20.6	18.5	12.4	20.6
16 : 1	0.0	0.0	0.0	1.6	6.2	0.0	1.8	6.3
18 : 1	36.3	18.3	51.4	37.8	12.0	19.0	49.7	11.2
20 : 1	0.0	2.7	3.3	2.8	12.9	0.0	1.8	15.3
22 : 1	0.0	4.4	4.3	3.3	25.0	0.0	0.0	29.3
24 : 1	0.0	0.0	0.0	0.0	1.9	0.0	0.0	1.9
Total MUFA	36.3	25.4	58.9	45.5	58.1	19.0	53.3	64.0
18 : 2n-6	16.7	47.0	20.0	14.8	8.9	47.5	21.0	7.4
20 : 2n-6	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
20 : 3n-6	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
20 : 4n-6	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
22 : 5n-6	4.2	0.0	0.0	4.0	0.0	0.0	0.0	0.0
Total n-6²	20.9	47.0	20.0	18.7	8.9	47.5	21.0	7.4
18 : 3n-3	4.2	7.2	6.1	4.5	0.0	7.0	5.8	0.0
20 : 5n-3	5.0	1.8	1.9	2.0	4.2	4.7	4.4	3.1
22 : 6n-3	13.0	1.8	2.1	11.3	6.2	3.3	3.1	5.0
Total n-3	22.1	10.9	10.1	17.8	10.4	15.1	13.3	8.1
Total PUFA	43.0	57.8	30.1	36.5	19.3	62.5	34.3	15.5
n-3/n-6	1.1	0.2	0.5	1.0	1.2	0.3	0.6	1.1

18 FO, 18 DP/DE diet with 100% fish oil; 18 SO, 18 DP/DE diet with 75% soybean oil; 18 CO, 18 DP/DE diet with 75% canola oil; 18 COS, 18 DP/DE diet with 75% blend of canola oil and Schizochytrium sp.; 25 FO, 25 DP/DE diet with 100% fish oil; 25 SO, 24 DP/DE diet with 75% soybean oil; 25 CO, 25 DP/DE diet with 75% canola oil; 25 COS, 25 DP/DE diet with 75% blend of canola oil and Schizochytrium sp.; DM, dry matter; DP/DE, digestible protein/digestible energy (lipids); TFA, total fatty acid; TL, total lipid; SFA, saturated fatty acid; MUFA, monounsaturated acid; PUFA, polyunsaturated fatty acid. ¹Includes 15 : 0, 17 : 0, 20 : 0, and 22 : 0. ²Includes 18 : 3n-6.