Table 3.
Plasma and erythrocytes (mother and infant) and adipose tissue (mothers) fatty acid composition (g/100 g of total FAs) (mean ± standard deviation)
| Plasma | Erythrocytes | Adipose tissue | |||
|---|---|---|---|---|---|
| Fatty acids (g/100 g of total FA) | Maternal N = 264 |
Infant (Cord Blood) N = 87 |
Maternal N = 264 |
Infant (Cord Blood) N = 87 |
Maternal N = 38 |
| SFAs | |||||
| 10:0 | 0.04 ± 0.04 | 0.05 ± 0.05 | ND | ND | 0.03 ± 0.01 |
| 12:0 | 0.11 ± 0.11 | 0.08 ± 0.04 | ND - | ND | 0.49 ± 0.16 |
| 13:0 | - | - | 0.11 ± 0.09 | 0.14 ± 0.17 | 0.02 ± 0.00 |
| 14:0 | 1.13 ± 0.45 | 0.80 ± 0.21 | 0.51 ± 0.19 | 0.43 ± 0.07 | 2.38 ± 0.51 |
| 14:0 iso | ND | ND | ND | ND | 0.02 ± 0.01 |
| 15:0 | 0.22 ± 0.07 | 0.17 ± 0.05 | ND | ND | 0.23 ± 0.08 |
| 15:0 anteiso | ND | ND | ND | ND | 0.05 ± 0.02 |
| 15:0 iso | 0.02 ± 0.02 | 0.02 ± 0.12 | ND | ND | 0.03 ± 0.01 |
| 16:0 | 25.74 ± 1.98 | 26.32 ± 2.98 | 26.54 ± 5.59 | 30.44 ± 3.52 | 22.39 ± 1.78 |
| 16:0 iso | 0.05 ± 0.02 | 0.07 ± 0.05 | ND | ND | 0.06 ± 0.02 |
| 17:0 | 0.23 ± 0.04 | 0.26 ± 0.07 | 0.33 ± 0.09 | 0.36 ± 0.20 | 0.22 ± 0.03 |
| 17:0 anteiso | 0.13 ± 0.05 | 0.23 ± 0.06 | ND | ND | 0.14 ± 0.05 |
| 17:0 iso | ND | ND | ND | ND | 0.05 ± 0.02 |
| 18:0 | 5.24 ± 0.85 | 9.37 ± 1.67 | 15.61 ± 3.33 | 21.46 ± 2.58 | 3.95 ± 0.66 |
| 20:0 | 0.22 ± 0.06 | 0.53 ± 0.12 | 0.46 ± 0.12 | 0.81 ± 0.12 | 0.13 ± 0.03 |
| 22:0 | 0.56 ± 0.11 | 1.01 ± 0.21 | 1.97 ± 0.42 | 2.09 ± 0.24 | 0.04 ± 0.01 |
| 23:0 | 0.28 ± 0.06 | 0.31 ± 0.07 | ND | ND | ND |
| 24:0 | ND | ND | 5.76 ± 1.44 | 7.60 ± 1.15 | 0.04 ± 0.01 |
| 26:0 | ND | ND | 0.37 ± 0.09 | 0.72 ± 0.14 | ND |
| Total SFAs | 34.82 ± 2.56 | 40.99 ± 4.61 | 61.96 ± 58.12 | 60.68 ± 20.91 | 30.31 ± 3.31 |
| MUFAs | |||||
| 14:1 n-5 | 0.06 ± 0.04 | 0.03 ± 0.03 | ND | ND | 0.20 ± 0.07 |
| 16:1 n-7 | 2.51 ± 0.79 | 3.43 ± 0.70 | 0.72 ± 0.30 | 0.65 ± 0.23 | 3.67 ± 0.82 |
| 16:1 n-9 | 1.05 ± 0.24 | 1.34 ± 0.39 | ND | ND | 0.53 ± 0.07 |
| 18:1 n-7 | 1.60 ± 0.25 | 2.77 ± 0.43 | ND | ND | 1.53 ± 0.15 |
| 18:1 n-9 | 21.48 ± 2.70 | 17.31 ± 2.38 | 13.30 ± 1.76 | 10.12 ± 1.64 | 40.74 ± 2.07 |
| trans-18:1 | 0.31 ± 0.10 | 0.31 ± 0.16 | 0.36 ± 0.11 | 0.28 ± 0.10 | 0.48 ± 0.14 |
| 18:1 n-7 | ND | ND | 1.05 ± 0.18 | 1.77 ± 0.26 | ND |
| 20:1 n-9 | 0.23 ± 0.06 | 0.13 ± 0.08 | 0.28 ± 0.07 | 0.24 ± 0.07 | 0.60 ± 0.09 |
| 24:1 n-9 | 1.03 ± 0.23 | 1.48 ± 0.29 | 5.85 ± 0.81 | 5.05 ± 0.54 | |
| Total MUFAs | 27.94 ± 3.10 | 26.41 ± 0.97 | 25.05 ± 19.03 | 17.39 ± 6.97 | 46.74 ± 4.90 |
| PUFAs | |||||
| 18:2 n-6 | 24.23 ± 3.57 | 10.89 ± 3.72 | 7.52 ± 2.49 | 2.58 ± 1.27 | 19.60 ± 3.73 |
| 18:2 c/t | 0.57 ± 0.20 | 0.43 ± 0.14 | ND | ND | 0.21 ± 0.05 |
| 20:2 n-6 | 0.25 ± 0.05 | 0.29 ± 0.09 | ND | ND | 0.30 ± 0.07 |
| 18:3 n-3 | 0.46 ± 0.30 | 0.10 ± 0.11 | 0.10 ± 0.08 | 0.03 ± 0.02 | 0.45 ± 0.12 |
| 18:3 n-6 | 0.23 ± 0.12 | 0.30 ± 0.09 | 0.07 ± 0.04 | 0.09 ± 0.04 | 0.08 ± 0.02 |
| 20:3 n-6 | 1.54 ± 0.36 | 2.76 ± 0.83 | 1.12 ± 0.56 | 1.30 ± 0.65 | 0.26 ± 0.09 |
| 20:4 n-6 (ARA) | 5.40 ± 1.35 | 11.16 ± 3.38 | 6.88 ± 4.15 | 5.55 ± 3.41 | 0.39 ± 0.11 |
| 22:4 n-6 | See below | See below | 1.48 ± 1.05 | 1.13 ± 0.84 | 0.14 ± 0.06 |
| 22:4 + 24:0 | 0.61 ± 0.13 | 1.38 ± 0.28 | Not relevant | Not relevant | Not relevant |
| 20:5 n-3 | 0.32 ± 0.25 | 0.25 ± 0.21 | 0.21 ± 0.20 | 0.06 ± 0.05 | 0.04 ± 0.02 |
| 22:5 n-3 | 0.28 ± 0.11 | 0.28 ± 0.18 | 0.89 ± 0.69 | 0.25 ± 0.28 | 0.09 ± 0.04 |
| 22:5 n-6 | 0.31 ± 0.15 | 0.63 ± 0.32 | 0.41 ± 0.39 | 0.42 ± 0.36 | 0.04 ± 0.02 |
| 20:3 n-3 | ND | ND | ND | ND | 0.02 ± 0.01 |
| 22:6 n-3 (DHA) | 2.36 ± 0.68 | 4.05 ± 1.63 | 3.24 ± 2.46 | 1.77 ± 1.61 | 0.13 ± 0.05 |
| Total PUFAs | 35.40 ± 4.15 | 30.71 ± 6.13 | 13.22 ± 10.17 | 13.73 ± 11.57 | 21.80 ± 4.17 |
| Ratios | |||||
| ARA/DHA | 2.63 ± 1.09 | 3.17 ± 1.45 | 2.82 ± 1.31 | 3.85 ± 1.20 | 3.31 ± 1.38 |
| Total FAs (mg/100 mL) | 462.3 ± 106.3 | 126.1 ± 73.6 | 148.2 ± 40.6 | 142. ± 45.1 | not available |
SFA saturated fatty acid, MUFA monounsaturated fatty acid, PUFA polyunsaturated fatty acid, ND not detected
18:1_b, not identified isomer of 18:1