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Table 2.

Indicators of the biological value of muscle tissue of category 2 beef and its fractions

Indispensable amino acid Concentration, g/100g of protein Biological value, %
FAO/WHO standard Category 2 beef
Muscle tissue Water soluble Salt-soluble Muscle tissue Water soluble Salt-soluble
Valine 5.0 5.61 5.29 6.87 86.98 42.35 27.01
Isoleucine 4.0 4.42 3.87 5.09
Leucine 7.0 8.12 7.12 9.69
Lysine 5.5 8.14 5.72 8.38
Methionine + cystine 3.5 4.62 2.29 1.58
Threonine 4.0 4.12 3.48 5.32
Tryptophane 1.0 1.11 - -
Phenylalanin e + tyrosine 6.0 8.01 18.62 5.87

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