Table 5.
True ileal amino acid digestibility coefficients (TIAAD)1 and amounts of true ileal digestible amino acids in human milk presented in different units.
| Amino acid | TIAAD | Amount of digestible amino acids2 | ||
|---|---|---|---|---|
| mg/L | mg/g DM3 | mg/g TP4 | ||
| Indispensable amino acid | ||||
| Histidine | 0.960 | 282.3 | 2.3 | 31.4 |
| Isoleucine | 0.966 | 551.5 | 4.6 | 61.3 |
| Leucine | 0.971 | 1039.3 | 8.6 | 115.2 |
| Lysine | 0.961 | 720.5 | 6.0 | 80.0 |
| Methionine | 0.978 | 157.5 | 1.3 | 17.5 |
| Phenylalanine | 0.924 | 381.1 | 3.1 | 42.4 |
| Threonine | 0.865 | 458.4 | 3.8 | 50.8 |
| Tryptophan | 0.978 | 195.6 | 1.5 | 21.6 |
| Valine | 0.905 | 548.1 | 4.5 | 60.9 |
| Dispensable amino acid | ||||
| Alanine | 0.898 | 371.8 | 3.1 | 41.3 |
| Arginine | 0.939 | 380.7 | 3.1 | 42.2 |
| Aspartic acid | 0.935 | 910.2 | 7.5 | 101.0 |
| Cysteine | 0.678 | 152.2 | 1.2 | 17.2 |
| Glutamic acid | 0.967 | 1828.2 | 15.1 | 203.3 |
| Glycine | 0.924 | 228.2 | 1.9 | 25.2 |
| Proline | 0.912 | 858.9 | 7.1 | 95.3 |
| Serine | 0.887 | 458.4 | 3.8 | 50.7 |
| Tyrosine | 0.980 | 403.8 | 3.3 | 45.1 |
1
Overall mean values from Table 4.
2
Correction of values in Table 3 (after correction for time of hydrolysis effect) for TIAAD.
3
DM, dry matter; when no dry matter content of breast milk was given in the original publication an average of the collected data (n = 6) was used.
4
TP, true protein = N × 6.38 × 0.75.