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Table 1 Dietary IAA reference ratios for minimal IAA and DIAAS per protein diet

From: No protein intake compensation for insufficient indispensable amino acid intake with a low-protein diet for 12 days

 

His

Ile

Leu

Lys

SAA

AAA

Thr

Val

Trp

DIAAS

          

% (IAA)

5En% wheat

1.26

1.06

1.05

0.53

1.68

1.36

1.00

0.94

1.62

53 (Lys)

5En% wheat + 10En%:

          

  Whey + α-lac

1.19

1.63

1.45

1.47

2.00

1.50

1.90

1.13

3.06

113 (Val)

  Soy

1.29

1.14

1.00

0.84

1.09

1.01

1.10

0.89

1.54

84 (Lys)

  Beef

1.78

1.38

1.23

1.44

1.65

1.79

1.55

1.12

1.33

112 (Val)

5En% wheat + 25En%:

          

  Whey + α-lac

1.17

1.77

1.55

1.69

2.08

1.53

2.12

1.18

3.41

117 (His)

  Soy

1.31

1.18

1.00

0.93

0.96

1.02

1.14

0.89

1.53

89 (Val)

  Beef

1.93

1.47

1.30

1.68

1.66

1.92

1.71

1.18

1.28

118 (Val)

  1. α-lac, α-lactalbumin; AAA, aromatic amino acids (phenylalanine + tyrosine); DIAAS, digestible indispensable amino acid score; En%, percentage of energy; IAA, indispensable amino acid; His, histidine; Ile, isoleucine; Leu, leucine; Lys, lysine; SAA, sulphur amino acids (cysteine + methionine); Thr, threonine; Trp, tryptophan; Val, valine.