Table 1 Effects of diet and weight classification on amino acid concentrations (nmol/ml) in the rat plasma

Asp

45.3 ± 2.39

47.6 ± 2.97

46.2 ± 2.96

45.3 ± 3.45

0.824

0.824

0.604

Glu

88.4 ± 3.23

88.6 ± 1.16

87.8 ± 2.58

87.6 ± 3.18

0.757

0.984

0.951

Asn

128 ± 5.71

114 ± 10.4

120 ± 5.62

133 ± 6.58

0.477

0.922

0.068

Ser

359 ± 10.3^a

294 ± 4.39^b

353 ± 7.43^a

292 ± 3.76^b

0.576

<0.001

0.807

Gln

562 ± 18.3^b

645 ± 11.1^a

559 ± 9.43^b

655 ± 19.6^a

0.801

<0.001

0.676

His

124 ± 3.18

115 ± 2.95

120 ± 4.08

130 ± 5.89

0.236

0.906

0.028

Gly

392 ± 6.91^a

305 ± 7.3^b

384 ± 7.32^a

297 ± 5.68^b

0.254

<0.001

0.955

Thr

379 ± 7.42

359 ± 11.6

381 ± 8.62

376 ± 12.6

0.365

0.223

0.481

Cit

79.9 ± 2.66^a

53.8 ± 1.63^c

69.6 ± 3.37^b

73.9 ± 1.84^ab

0.057

<0.001

<0.001

Arg

251 ± 8.09^b

197 ± 6.4^c

279 ± 7.46^a

219 ± 4.46^c

0.001

<0.001

0.642

β-Ala

13.6 ± 0.884^b

31.4 ± 1.52^a

13.1 ± 0.611^b

26.8 ± 1.91^a

0.064

<0.001

0.123

Taurine

648 ± 17.2^a

469 ± 13.1^c

670 ± 11.9^a

572 ± 12^b

<0.001

<0.001

0.006

Ala

471 ± 10.2^b

403 ± 13.6^c

492 ± 7.54^b

585 ± 9.22^a

<0.001

0.252

<0.001

Tyr

131 ± 4.25

135 ± 4.04

125 ± 5.7

139 ± 5.32

0.865

0.069

0.268

Trp

110 ± 3.28

114 ± 4.78

115 ± 2.61

113 ± 3.4

0.658

0.703

0.42

Met

108 ± 5.39

112 ± 3.65

107 ± 4.83

110 ± 4.8

0.77

0.521

0.991

Val

253 ± 9.61^c

331 ± 6.74^a

249 ± 10.1^c

289 ± 9.63^b

0.017

<0.001

0.048

Phe

111 ± 3.7

108 ± 3.84

106 ± 3.81

113 ± 3.44

0.988

0.645

0.211

Ile

152 ± 4.19^b

206 ± 4.01^a

144 ± 4.77^b

195 ± 3.68^a

0.035

<0.001

0.674

Leu

212 ± 4.56^b

308 ± 7.56^a

216 ± 6.34^b

302 ± 5.79^a

0.83

<0.001

0.465

Orn

68.8 ± 1.58^b

81.4 ± 1.51^a

67.8 ± 2.06^b

83.3 ± 1.25^a

0.786

<0.001

0.381

Pro

277 ± 7.04^b

342 ± 8.59^a

286 ± 5.32^b

334 ± 4.52^a

0.96

<0.001

0.196

Cys

165 ± 4.53^b

197 ± 7^a

157 ± 3.2^b

194 ± 6.58^a

0.279

<0.001

0.648

Lys

252 ± 8.82^c

291 ± 5.17^a

259 ± 8.32^bc

282 ± 5.42^ab

0.957

<0.001

0.273