Macronutrient composition of the infant formulas used in this study
| Average content per 100 ml | PE-formula | S-formula |
|---|---|---|
| Energy (kcal) | 100 | 67 |
| Protein (g) | 2.6 | 1.4 |
| En% (protein-energy ratio) | 10 | 8 |
| Casein/whey (g) | 1.0/1.6 | 0.6/0.8 |
| Amino acids | ||
| L-alanine (mg) | 117 | 55 |
| L-arginine (mg) | 83 | 46 |
| L-aspartic acid/L-asparagine (mg) | 225 | 120 |
| L-cystine (mg) | 39 | 22 |
| L-glutamic acid/L-glutamine (mg) | 556 | 260 |
| Glycine (mg) | 52 | 27 |
| L-histidine (mg) | 60 | 35 |
| L-isoleucine (mg) | 159 | 74 |
| L-leucine (mg) | 278 | 130 |
| L-lysine (mg) | 257 | 120 |
| L-methionine (mg) | 68 | 34 |
| L-phenylalanine (mg) | 112 | 55 |
| L-proline (mg) | 198 | 110 |
| L-serine (mg) | 156 | 69 |
| L-threonine (mg) | 169 | 73 |
| L-tryptophan (mg) | 39 | 21 |
| L-tyrosine (mg) | 107 | 44 |
| L-valine (mg) | 169 | 82 |
| Carbohydrates (g) | 10.3 | 7.5 |
| En% | 41 | 45 |
| Fat (g) | 5.4 | 3.5 |
| En% | 49 | 47 |
PE-formula and S-formula from Nutricia Advanced Medical Nutrition, Zoetermeer, The Netherlands.
En%, energy percentage; PE-formula, protein and energy enriched formula; S-formula, standard infant formula.