Exogenous Fatty Acids Remodel the Muscle Fatty Acids Composition of the GIFT Tilapia (Oreochromis niloticus)

Table 5

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

Fatty acid	FO	CO	LO	AO	LA12	LA11	LA21
C14 : 0	2.494 ± 0.005^c	0.798 ± 0.012^b	0.606 ± 0.002^a	10.342 ± 0.008^g	7.309 ± 0.005^f	5.875 ± 0.032^e	4.161 ± 0.023^d
C15 : 0	0.217 ± 0.001^d	0.075 ± 0.001^c	0.068 ± 0.001^b	0.064 ± 0.001^a	0.065 ± 0.001^a	0.065 ± 0.001^a	0.067 ± 0.001^b
C16 : 0	20.468 ± 0.018^g	12.921 ± 0.052^e	8.961 ± 0.032^a	13.673 ± 0.009^f	12.138 ± 0.003^d	11.359 ± 0.017^c	10.510 ± 0.014^b
C17 : 0	0.312 ± 0.001^g	0.173 ± 0.001^f	0.153 ± 0.001^e	0.133 ± 0.001^a	0.137 ± 0.001^b	0.144 ± 0.001^c	0.150 ± 0.001^d
C18 : 0	5.199 ± 0.008^g	4.238 ± 0.007^e	4.275 ± 0.001^f	2.067 ± 0.002^a	2.810 ± 0.001^b	3.123 ± 0.009^c	3.518 ± 0.005^d
C20 : 0	0.759 ± 0.001^bc	0.892 ± 0.002^c	0.590 ± 0.001^ab	0.432 ± 0.185^a	0.604 ± 0.001^ab	0.591 ± 0.001^ab	0.599 ± 0.001^ab
C24 : 0	0.218 ± 0.001^a	0.282 ± 0.001^f	0.231 ± 0.001^b	0.253 ± 0.002^de	0.254 ± 0.001^e	0.250 ± 0.001^cd	0.249 ± 0.001^c
C16 : 1	2.877 ± 0.002	0.730 ± 0.014	0.550 ± 0.003	2.374 ± 0.001	1.807 ± 0.001	1.528 ± 0.006	1.206 ± 0.005
C18 : 1n9t	0.259 ± 0.001^a	0.032 ± 0.008^a	0.084 ± 0.016^b	0.040 ± 0.004^a	0.049 ± 0.006^a	0.031 ± 0.004^a	0.027 ± 0.001^a
C18 : 1n9c	32.897 ± 0.019^a	28.682 ± 0.028^e	22.868 ± 0.048^c	23.073 ± 0.025^d	22.899 ± 0.003^c	22.769 ± 0.004^b	22.677 ± 0.003^a
C20 : 1n9	0.069 ± 0.001^b	0.201 ± 0.001^d	0.372 ± 0.001^g	0.039 ± 0.001^a	0.114 ± 0.005^c	0.281 ± 0.001^e	0.311 ± 0.001^f
C18 : 2n6c	25.662 ± 0.026^f	44.174 ± 0.129^g	21.875 ± 0.152^e	10.058 ± 0.007^a	13.080 ± 0.021^b	14.602 ± 0.035^c	16.412 ± 0.024^d
C18 : 3n6	0.925 ± 0.001^g	0.256 ± 0.003^d	0.475 ± 0.001^f	0.033 ± 0.001^a	0.181 ± 0.001^b	0.248 ± 0.002^c	0.331 ± 0.001^e
C20 : 4n6	0.698 ± 0.001	0.083 ± 0.004	—	—	—	—	—
C18 : 3n3	2.298 ± 0.001^a	4.636 ± 0.016^c	37.663 ± 0.243^g	3.657 ± 0.003^b	14.985 ± 0.003^d	20.169 ± 0.128^e	26.817 ± 0.083^f
C20 : 5n3	0.295 ± 0.001^e	0.187 ± 0.001^b	0.182 ± 0.001^a	0.192 ± 0.001^cd	0.193 ± 0.001^d	0.190 ± 0.001^c	0.187 ± 0.001^b
C22 : 6n3	0.589 ± 0.004^b	0.271 ± 0.002^a	0.178 ± 0.001^a	26.770 ± 0.037^f	18.560 ± 0.007^e	14.688 ± 0.102^d	9.719 ± 0.062^c
∑ SFA	29.667 ± 0.033^f	19.379 ± 0.071^b	14.883 ± 0.037^a	26.964 ± 0.173^e	23.317 ± 0.006^d	21.408 ± 0.040^c	19.254 ± 0.033^b
∑ MUFA	36.101 ± 0.016^g	29.645 ± 0.049^f	23.874 ± 0.053^a	25.527 ± 0.030^e	24.869 ± 0.010^d	24.609 ± 0.007^c	24.221 ± 0.001^b
∑ n-3 PUFAs	3.182 ± 0.005^a	5.094 ± 0.014^b	38.024 ± 0.242^g	30.619 ± 0.042^c	33.739 ± 0.008^d	35.047 ± 0.027^e	36.723 ± 0.022^f
∑ n-6 PUFAs	27.285 ± 0.026^f	44.513 ± 0.121^g	22.350 ± 0.151^e	10.091 ± 0.008^a	13.260 ± 0.021^b	14.850 ± 0.037^c	16.743 ± 0.024^d
n-3/n-6 PUFAs	0.117 ± 0.001	0.114 ± 0.001	1.702 ± 0.022	3.034 ± 0.006	2.544 ± 0.004	2.360 ± 0.004	2.193 ± 0.002

Data are expressed as mean ± SE (n = 6). Mean values with different superscript letters differ significantly (a–g, ).