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. 2023 Apr 17;21(4):e07903. doi: 10.2903/j.efsa.2023.7903

Table 10.

Indispensable amino acid scoring

Parameter (g/100 g protein) Average in 5 batches of the NF Soy protein 1 Beef 1 Egg white 1 Recommended amino acid scoring patterns for children (6 months to 3 years) 2 Recommended amino acid scoring patterns for older children, adolescents and adults 2
Histidine 2.1 2.54 3.20 2.25 2.0 1.6
Iso‐Leucine 4.7 4.71 4.18 5.28 3.2 3.0
Leucine 9.1 8.51 7.75 8.76 6.6 6.1
Lysine 6.1 6.34 7.94 6.98 5.7 4.8
Tyrosine + Phenylalanine 10.2* 9.66 7.02 9.08 5.2 4.1
Threonine 4.4 3.84 4.21 4.68 3.1 2.5
Valine 6.0 4.91 4.54 6.78 4.3 4.0
Cysteine + Methionine 2.7* 6.81 3.27 6.64 2.7 2.3
Tryptophan 1.6 1.14 0.99 1.46 0.85 0.66
*

Tyrosine and cysteine concentrations taken from compositional data, Appendix A.

1

Friedman, 1996.

2

FAO, 2013.