Table 1.
Fatty acid abundance (mol %) | ||||||
---|---|---|---|---|---|---|
Fatty acids in liver lipids | RD | SFA | ALA | DHA | EPA | |
Saturated fatty acids | ||||||
14:00 | Myrisitic acid | 1.0 ± 0.1 | 0.8 ± 0.07 | 0.8 ± 0.08 | 0.6 ± 0.07 | 0.7 ± 0.06 |
16:00 | Palmitic acid | 21.4 ± 1.9 | 19.6 ± 1.8 | 20.6 ± 1.8 | 19.4 ± 1.6 | 19.9 ± 2.0 |
18:00 | Stearic acid | 17.7 ± 1.1 | 22.4 ± 2.0 | 19.4 ± 2.1 | 18.6 ± 1.8 | 21.6 ± 1.8 |
Total SFAs | 40.2 ± 2.9 | 42.8 ± 3.9 | 40.9 ± 2.5 | 38.7 ± 3.4 | 42.3 ± 3.9 | |
Monounsaturated fatty acids (MUFA) | ||||||
16:1ω-7 | Palmitoleic acid | 0.4 ± 0.05 | 0.7 ± 0.08 | 0.5 ± 0.06 | 0.5 ± 0.06 | 0.7 ± 0.08 |
18:1 ω -9 | Oleic acid | 9.2 ± 0.9 | 10.1 ± 1.1 | 7.1 ± 0.8 | 6.3 ± 0.5 | 7.6 ± 0.8 |
Total MUFA | 9.6 ± 0.9 | 10.9 ± 0.9 | 7.7 ± 0.7 | 6.8 ± 0.5 | 8.3 ± 0.7 | |
Polyunsaturated fatty acids (PUFA) | ||||||
18:2 ω6 | Linoleic | 27.4 ± 1.9a | 15.4 ± 1.4b | 17.0 ± 1.5b | 13.6 ± 1.4b | 14.8 ± 1.5b |
18:3 ω6 | γ- Linolenic acid | 0.4 ± 0.05a | 0.1 ± 0.01b | 0.1 ± 0.01b | 0.0 ± 0.0 | 0.0 ± 0.0 |
20:4 ω6 | Arachidonic acid | 11.3 ± 1.3a | 16.5 ± 1.5b | 12.2 ± 1.1a | 9.5 ± 0.8c | 8.2 ± 0.8c |
Total n-6 PUFA | 39.2 ± 3.9a | 32.2 ± 3.2a | 29.4 ± 2.9a,b | 23.3 ± 2.3b | 23.0 ± 2.2b | |
18:3 ω3 | α-Linolenic acid | 1.1 ± 0.1a | 0.1 ± 0.01b | 1.7 ± 0.2a | 0.1 ± 0.01b | 0.2 ± 0.02b |
20:5 ω3 | Eicosapentenoic acid | 0.4 ± 0.03 | 0.4 ± 0.04 | 3.1 ± 0.03 | 2.1 ± 0.2 | 7.1 ± 0.5 |
22:6 ω3 | Docosahexenoic acid | 9.3 ± 0.9 | 13.3 ± 1.2 | 16.9 ± 1.7 | 28.7 ± 2.5 | 18.7 ± 1.9 |
Total ω n-3 PUFA | 10.9 ± 1.1a | 13.9 ± 1.2a | 21.9 ± 2.2b | 31.0 ± 3.1c | 26.1 ± 2.5c | |
Total PUFA | 50.1 ± 4.9 | 46.2 ± 4.6 | 51.3 ± 4.8 | 54.3 ± 4.9 | 49.2 ± ±4.7 |
Fatty acids are expressed as mole %. Fatty acids changed among the different maternal dietary treatments appear in bold. Means (n = 7) without a common letter (a, b or c) difference p < 0.05 between the maternal dietary treatments indicated in the x-axis, as described in Methods.