Table 2. Total Fat Content, Polar Lipid Content, Lipid Droplet Size, and Fatty Acid Composition of the Infant Formulas and Breast Milka.
| MF1 | MF2 | MF3 | VO1 | VO2 | VO3 | breast milkb | |
|---|---|---|---|---|---|---|---|
| total FA content (g/100 g) | 3.2 ± 0.4 | 3.1 ± 0.4 | 3.0 ± 0.2 | 3.1 ± 0.3 | 3.2 ± 0.3 | 3.2 ± 0.1 | 3.3 ± 0.07 |
| labeled total fat (%) | 3.5 | 3.6 | 3.5 | 3.6 | 3.4 | 3.4 | |
| polar lipids (mg/g) | 0.67 ± 0.03 | 0.50 ± 0.04 | 0.60 ± 0.02 | 0.65 ± 0.06 | 0.14 ± 0.03 | 0.18 ± 0.02 | 0.56 ± 0.04 |
| lipid droplet size (μm, D[4,3]) | 0.31 ± 0.00 | 0.44 ± 0.01 | 0.36 ± 0.00 | 0.48 ± 0.00 | 0.44 ± 0.00 | 2.4 ± 0.1 | 5.4 ± 0.0c |
| Fatty Acid Composition (%) | |||||||
| C4:0 | 0.10 ± 0.10 | 0.13 ± 0.10 | 0.16 ± 0.13 | 0.00 ± 0.00 | 0.00 ± 0.00 | 0.00 ± 0.00 | 0.00 ± 0.00 |
| C6:0 | 0.19 ± 0.19 | 0.15 ± 0.15 | 0.28 ± 0.28 | 0.04 ± 0.04 | 0.03 ± 0.03 | 0.10 ± 0.01 | 0.02 ± 0.01 |
| C8:0 | 0.81 ± 0.38 | 0.36 ± 0.23 | 0.43 ± 0.24 | 1.09 ± 0.57 | 0.75 ± 0.46 | 1.59 ± 0.03 | 0.10 ± 0.01 |
| C10:0 | 1.35 ± 0.25 | 1.12 ± 0.31 | 1.30 ± 0.31 | 1.03 ± 0.36 | 0.81 ± 0.11 | 1.38 ± 0.03 | 1.03 ± 0.01 |
| C12:0 | 5.63 ± 0.70 | 1.57 ± 0.20 | 1.88 ± 0.10 | 8.36 ± 1.50 | 7.63 ± 1.01 | 11.92 ± 0.18 | 4.27 ± 0.02 |
| C14:0 | 5.68 ± 0.34 | 4.97 ± 0.24 | 6.49 ± 0.38 | 3.40 ± 0.20 | 3.21 ± 0.22 | 5.46 ± 0.09 | 5.77 ± 0.05 |
| C14:1 | 0.37 ± 0.03 | 0.48 ± 0.04 | 0.66 ± 0.06 | 0.02 ± 0.01 | 0.00 ± 0.00 | 0.02 ± 0.00 | 0.30 ± 0.00 |
| C15:0 | 0.38 ± 0.01 | 0.43 ± 0.01 | 0.58 ± 0.02 | 0.06 ± 0.00 | 0.04 ± 0.00 | 0.06 ± 0.00 | 0.36 ± 0.00 |
| C16:0 | 14.83 ± 0.22 | 15.33 ± 0.24 | 21.18 ± 0.28 | 6.53 ± 0.27 | 6.15 ± 0.10 | 19.55 ± 0.05 | 21.97 ± 0.14 |
| C16:1 | 0.68 ± 0.03 | 0.64 ± 0.02 | 0.97 ± 0.04 | 0.21 ± 0.00 | 0.16 ± 0.01 | 0.17 ± 0.00 | 2.14 ± 0.02 |
| C17:0 | 0.20 ± 0.02 | 0.22 ± 0.01 | 0.30 ± 0.02 | 0.06 ± 0.00 | 0.04 ± 0.00 | 0.08 ± 0.00 | 0.27 ± 0.00 |
| C17:1 | 0.12 ± 0.00 | 0.13 ± 0.00 | 0.17 ± 0.02 | 0.05 ± 0.00 | 0.04 ± 0.00 | 0.05 ± 0.00 | 0.19 ± 0.00 |
| C18:0 | 6.23 ± 0.86 | 4.95 ± 0.51 | 8.12 ± 1.04 | 2.51 ± 0.33 | 2.57 ± 0.27 | 2.59 ± 0.13 | 4.74 ± 0.04 |
| C18:1 | 42.06 ± 1.33 | 45.16 ± 0.46 | 30.03 ± 0.40 | 56.07 ± 2.28 | 58.60 ± 1.13 | 39.13 ± 0.51 | 42.74 ± 0.24 |
| C18:2n-6 | 18.29 ± 0.55 | 21.52 ± 0.42 | 24.34 ± 0.56 | 18.13 ± 0.51 | 17.43 ± 0.55 | 14.72 ± 0.15 | 12.33 ± 0.10 |
| C18:3n-3 | 1.88 ± 0.13 | 1.89 ± 0.12 | 1.92 ± 0.10 | 1.52 ± 0.09 | 1.68 ± 0.15 | 1.75 ± 0.03 | 1.82 ± 0.02 |
| C20:0 | 0.12 ± 0.04 | 0.14 ± 0.06 | 0.15 ± 0.07 | 0.10 ± 0.06 | 0.10 ± 0.06 | 0.04 ± 0.00 | 0.24 ± 0.04 |
| C20:1 | 0.07 ± 0.06 | 0.07 ± 0.03 | 0.10 ± 0.05 | 0.10 ± 0.10 | 0.09 ± 0.12 | 0.21 ± 0.01 | 0.33 ± 0.06 |
| C20:2 | 0.03 ± 0.03 | 0.02 ± 0.02 | 0.02 ± 0.02 | 0.00 ± 0.00 | 0.01 ± 0.01 | 0.04 ± 0.00 | 0.24 ± 0.01 |
| C20:4n-6 | 0.25 ± 0.01 | 0.03 ± 0.01 | 0.07 ± 0.01 | 0.03 ± 0.02 | 0.22 ± 0.01 | 0.46 ± 0.01 | 0.31 ± 0.04 |
| C22:5n-3 | 0.03 ± 0.00 | 0.03 ± 0.01 | 0.04 ± 0.01 | 0.01 ± 0.01 | 0.00 ± 0.00 | 0.02 ± 0.00 | 0.16 ± 0.00 |
| C22:6n-3 | 0.22 ± 0.11 | 0.35 ± 0.05 | 0.29 ± 0.03 | 0.36 ± 0.04 | 0.15 ± 0.02 | 0.36 ± 0.00 | 0.27 ± 0.01 |
| otherd | 0.47 ± 0.06 | 0.28 ± 0.04 | 0.53 ± 0.05 | 0.33 ± 0.05 | 0.28 ± 0.04 | 0.29 ± 0.01 | 0.40 ± 0.01 |
| C16:0 in sn-2 position (mol % of total C16:0) | 26.9 ± 0.3 | 27.9 ± 0.5 | 34.5 ± 0.4 | 7.9 ± 0.2 | 6.3 ± 0.8 | 11.3 ± 0.1 | 72.6 ± 1.4 |
| SCSFA + MCSFAe | 8.07 | 3.35 | 4.05 | 10.52 | 9.22 | 15.00 | 5.41 |
| LCSFAf | 27.4 | 26.0 | 36.8 | 12.7 | 12.1 | 27.8 | 33.4 |
| total SFA | 35.5 | 29.4 | 40.9 | 23.2 | 21.3 | 42.8 | 38.8 |
| total MUFA | 43.3 | 46.5 | 31.9 | 56.4 | 58.9 | 39.6 | 45.7 |
| n – 6 PUFA | 18.5 | 21.6 | 24.4 | 18.2 | 17.7 | 15.2 | 12.6 |
| n – 3 PUFA | 2.1 | 2.3 | 2.2 | 1.9 | 1.8 | 2.1 | 2.2 |
| LA/ALA | 9.8 | 11.5 | 12.7 | 12.0 | 10.4 | 8.4 | 5.5 |
a
Values are average (n = 4) ± SD; MF, milk-fat-containing formula; VO, the formula containing vegetable oils as the primary fat source.
b
Pooled sample of mothers’ milk from eight donors from Finland.
c
One fresh and one frozen breast milk sample.
d
C11:0, C15:1, C18:3n-6, C21:0, C20:3, C22:0, C22:1, C20:5, C20:3, C23:0, C22:2, C22:4n-6, C24:0, and C24:1).
e
Short chain and medium chain FA (C4:0, C6:0, C8:0, C10:0, and C12:0).
f
Long chain saturated FA (including C14:0 and longer).