Table 2 Plasma amino acid profile in men (n = 221)

291 ± 73

318 ± 81

338 ± 107^a

0.22*

55.0 ± 14.4

55.6 ± 12.2

49.7 ± 12.9^a,b

0.08

39.9 ± 6.6

37.2 ± 6.4^a

38.1 ± 7.4

− 0.21*

5.42 ± 2.52

5.42 ± 1.99

5.71 ± 1.88

0.10

26.5 ± 4.6

24.1 ± 5.0^a

23.3 ± 6.7^a

− 0.21*

4.26 ± 2.36

4.77 ± 2.18

4.80 ± 2.19

0.19*

526 ± 104

509 ± 80

469 ± 81^a,b

− 0.06

64.8 ± 36.4

83.1 ± 36.6^a

84.6 ± 21.4^a

0.32**

213 ± 43

184 ± 41^a

179 ± 58^a

− 0.26*

91.0 ± 14.2

89.5 ± 14.6

83.4 ± 16.7^a,b

− 0.03

65.6 ± 16.8

70.4 ± 15.2

75.2 ± 21.8^a

0.25*

123 ± 24

135 ± 24^a

145 ± 39^a

0.29**

149 ± 28

152 ± 29

155 ± 34

0.12

21.1 ± 2.6

21.6 ± 2.9

20.8 ± 3.8

0.16*

47.4 ± 12.7

45.3 ± 11.7

47.0 ± 15.5

− 0.04

42.9 ± 7.4

46.5 ± 7.3^a

47.5 ± 8.3^a

0.24*

186 ± 48

204 ± 52^a

205 ± 64

0.18*

76.4 ± 15.7

70.6 ± 12.1^a

73.9 ± 15.1

− 0.07

99.8 ± 18.3

92.1 ± 16.6^a

94.0 ± 23.4

− 0.13

56.9 ± 14.8

58.0 ± 13.2

55.8 ± 12.0

0.11

49.5 ± 10.0

57.0 ± 10.5^a

56.4 ± 13.1^a

0.43**

241 ± 46

261 ± 59^a

259 ± 75

0.21*

240 ± 32

251 ± 27^a

243 ± 36

0.27**

430 ± 76

466 ± 92^a

479 ± 129^a

0.25*

879 ± 134

897 ± 109

856 ± 133^b

0.11

2517 ± 251

2530 ± 296

2518 ± 411

0.09

0.011 ± 0.002

0.010 ± 0.002^a

0.009 ± 0.003^a

− 0.22*

0.031 ± 0.009

0.027 ± 0.006^a

0.028 ± 0.008^a

0.25*

0.77 ± 0.24

0.83 ± 0.21

0.74 ± 0.21^b

0.11

0.51 ± 0.15

0.45 ± 0.12^a

0.49 ± 0.21

0.13

0.96 ± 0.49

0.86 ± 0.34

1.02 ± 0.58^b

− 0.05

1.83 ± 0.56

1.97 ± 0.78

2.14 ± 0.88^a

0.13