Table 3.

Selected fatty acids (FA) of brain (cerebral cortex) and retina from piglets fed one of three arachidonic acid (ARA)-rich oils ¹

Diet	Control	a1	a2	P
Cerebral cortex	FA (% total FA)
Σ SFA2	44.49 ± 0.58	44.82 ± 0.74	44.60 ± 0.42	NS
Σ MUFA	20.63 ± 0.90	20.16 ± 1.06	20.28 ± 1.21	NS
22:3n-9	0.31 ± 0.05	0.31 ± 0.08	0.28 ± 0.04	NS
ARA	10.83 ± 0.34	11.04 ± 0.42	11.04 ± 0.33	NS
22:4n-6	3.99 ± 0.34	4.12 ± 0.38	4.20 ± 0.36	NS
22:5n-6	5.90 ± 0.50	5.82 ± 0.70	5.58 ± 0.57	NS
Σ n-6	23.32 ± 0.73	23.62 ± 0.50	23.53 ± 0.80	NS
20:5n-3	0.12 ± 0.03	0.10 ± 0.04	0.12 ± 0.04	NS
22:5n-3	0.31 ± 0.04	0.31 ± 0.05	0.31 ± 0.04	NS
DHA	10.17 ± 0.71	9.97 ± 0.79	10.24 ± 0.39	NS
Σ n-3	10.67 ± 0.70	10.48 ± 0.78	10.76 ± 0.41	NS
ARA/DHA	1.07 ± 0.08	1.11 ± 0.08	1.08 ± 0.04	NS
Σ 22C LCPUFA3	20.67 ± 0.52	20.54 ± 0.60	20.62 ± 0.64	NS
Retina
Σ SFA	41.92 ± 0.92	42.65 ± 0.90	42.13 ± 1.19	NS
Σ MUFA	17.64 ± 0.37	17.71 ± 0.52	17.83 ± 0.60	NS
22:3n-9	0.09 ± 0.02	0.08 ± 0.02	0.08 ± 0.03	NS
ARA	10.45 ± 0.42	10.42 ± 0.43	10.63 ± 0.45	NS
22:4n-6	2.51 ± 0.19	2.45 ± 0.16	2.43 ± 0.11	NS
22:5n-6	2.58 ± 0.41	2.41 ± 0.56	2.36 ± 0.41	NS
Σ n-6	19.06 ± 0.85	18.90 ± 0.92	18.88 ± 0.68	NS
20:5n-3	0.46 ± 0.07	0.48 ± 0.09	0.40 ± 0.12	NS
22:5n-3	0.62 ± 0.07	0.64 ± 0.07	0.62 ± 0.06	NS
DHA	19.87 ± 0.65	19.20 ± 0.83	19.75 ± 1.66	NS
Σ n-3	21.02 ± 0.69	20.38 ± 0.85	20.83 ± 1.76	NS
ARA/DHA	0.53 ± 0.02	0.54 ± 0.03	0.54 ± 0.05	NS
Σ 22C LCPUFA	25.58 ± 0.90	24.70 ± 1.06	25.16 ± 1.58	NS

¹Values represent means ± SD, n = 8 per diet. P < 0.05 indicates that all means are not equal; NS, not significant. Pairwise comparisons determined using Student’s t-test; means not sharing a common superscript are significantly different (P < 0.05).

²DHA, docosahexaenoic acid; LCPUFA, long chain polyunsaturated FA; MUFA, monounsaturated FA; SFA, saturated FA.

³Σ n-6 =Σ 18:2n-6, 18:3n-6, 20:2n-6, 20:3n-6, ARA, 22:4n-6, 22:5n-6; Σ n-3 = 18:3n-3, 20:3n-3; 20:5n-3, 22:5n-3, DHA; Σ 22C LCPUFA = Σ 22:3n-9, 22:4n-6, 22:5n-6, 22:5n-3, DHA.