Table 6.

Absorbed amino acid composition of human milk based on the present work (Table 5) compared with reference values from FAO (2).¹

Amino acid	Calculated values3	FAO
Histidine	31	21
Isoleucine	61	55
Leucine	115	96
Lysine	80	69
Methionine + cysteine	35	33
Phenylalanine + tyrosine	87	94
Threonine	51	44
Tryptophan	22	17
Valine	61	55

Amino acid values are mg/g TP², as calculated by FAO (2).

¹FAO (2) recommendations are not corrected for true ileal amino acid digestibility.

²TP = N × 6.38 ×0.75.

³Values based on published literature with correction for the effects of hydrolysis time and true ileal amino acid digestibility.