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Table 4 Plasma amino acid concentrations by oral Glu administration (nmol/mL)

From: Glutamate promotes nucleotide synthesis in the gut and improves availability of soybean meal feed in rainbow trout

 

0 h

30 min

120 min

50 mg/kg

500 mg/kg

50 mg/kg

500 mg/kg

Thr

170.4 ± 47.3

176.2 ± 37.9

177.0 ± 25.9

163.2 ± 32.6

223.2 ± 57.7

Ser

85.6 ± 23.9

117.9 ± 41.9

147.2 ± 43.3

96.8 ± 28.9

123.8 ± 18.8

Gly

290.5 ± 109.0

321.0 ± 161.9

410.6 ± 59.2

294.3 ± 104.4

390.3 ± 104.5

Ala

331.8 ± 82.0

428.2 ± 112.9

531.8 ± 82.8

358.6 ± 76.7

534.6 ± 97.4

Gln

221.9 ± 73.9

241.6 ± 80.1

288.7 ± 31.1

193.1 ± 55.7

282.2 ± 60.4

Glu

45.6 ± 5.1

92.3 ± 43.9

115.0 ± 38.0*

62.7 ± 22.9

406.6 ± 354.7*

Asn

73.8 ± 12.5

75.0 ± 21.6

93.9 ± 14.6

75.9 ± 17.1

77.3 ± 23.4

Asp

17.9 ± 6.1

17.1 ± 9.1

16.9 ± 8.0

14.2 ± 5.3

29.8 ± 10.9

Arg

88.3 ± 10.3

94.5 ± 30.9

92.6 ± 7.7

87.1 ± 3.9

95.4 ± 27.4

Lys

333.0 ± 84.5

452.5 ± 385.5

244.0 ± 28.7

282.8 ± 88.7

265.9 ± 101.2

Val

388.3 ± 131.4

512.3 ± 276.6

287.9 ± 21.3

372.1 ± 188.1

322.0 ± 55.7

Ile

165.6 ± 76.1

236.8 ± 145.7

120.3 ± 9.4

162.6 ± 106.6

141.4 ± 32.5

Leu

275.8 ± 109.4

371.2 ± 203.8

203.7 ± 17.4

266.7 ± 151.0

239.6 ± 54.2

Tyr

49.1 ± 8.2

69.6 ± 10.4*

72.9 ± 7.8*

64.4 ± 9.2

69.9 ± 10.3*

Phe

90.7 ± 15.1

115.7 ± 11.9*

111.8 ± 11.5

105.6 ± 10.4

104.9 ± 17.8

Cys

11.4 ± 2.3

13.0 ± 3.6

15.5 ± 2.0

12.3 ± 1.9

13.9 ± 1.9

Met

72.4 ± 8.5

82.2 ± 20.5

96.4 ± 9.5

80.6 ± 14.0

86.1 ± 6.7

Trp

49.0 ± 6.6

62.0 ± 3.7

64.2 ± 4.1*

54.1 ± 13.4

64.8 ± 7.6*

His

98.9 ± 21.7

121.4 ± 37.2

169.3 ± 19.3*

119.0 ± 34.0

163.4 ± 36.3

Pro

32.3 ± 7.8

43.6 ± 4.9

41.7 ± 3.4

34.2 ± 5.1

45.7 ± 9.4

 

360 min

1440 min

 

50 mg/kg

500 mg/kg

50 mg/kg

500 mg/kg

 

Thr

184.6 ± 22.7

184.4 ± 38.5

291.7 ± 119.2

214.8 ± 74.0

 

Ser

113.6 ± 26.9

104.4 ± 48.1

146.8 ± 65.3

108.0 ± 46.7

 

Gly

360.9 ± 103.0

369.6 ± 143.5

503.5 ± 323.1

377.4 ± 303.5

 

Ala

407.1 ± 74.8

667.9 ± 250.8

328.2 ± 84.5

386.5 ± 216.3

 

Gln

215.4 ± 41.2

259.3 ± 95.6

302.4 ± 135.1

262.1 ± 150.0

 

Glu

89.3 ± 40.8

2309.0 ± 1729.4*

66.2 ± 16.5

61.3 ± 22.4

 

Asn

77.0 ± 14.8

77.4 ± 17.9

107.9 ± 33.2

85.2 ± 35.8

 

Asp

20.8 ± 7.9

86.0 ± 60.7

19.7 ± 5.9

14.2 ± 4.3

 

Arg

125.8 ± 23.6

89.7 ± 20.4

156.9 ± 55.4

91.7 ± 22.5

 

Lys

385.9 ± 145.9

287.9 ± 151.8

518.5 ± 152.3

308.7 ± 77.3

 

Val

405.4 ± 124.2

350.7 ± 108.2

499.9 ± 117.6

513.1 ± 144.9

 

Ile

183.5 ± 58.1

156.8 ± 45.7

217.1 ± 55.9

207.3 ± 65.1

 

Leu

308.6 ± 95.3

263.0 ± 75.7

348.2 ± 73.2

341.9 ± 103.5

 

Tyr

87.2 ± 15.3*

71.6 ± 7.4*

72.1 ± 13.3*

57.7 ± 6.1

 

Phe

120.3 ± 19.0*

104.6 ± 5.7

124.9 ± 15.5*

105.6 ± 15.1

 

Cys

14.0 ± 2.8

17.7 ± 2.9*

18.9 ± 3.5

18.3 ± 4.9

 

Met

88.7 ± 6.4

83.3 ± 11.1

98.0 ± 21.4

86.2 ± 16.1

 

Trp

65.1 ± 6.9*

60.0 ± 12.8

64.3 ± 10.7*

59.4 ± 5.7

 

His

130.1 ± 29.0

121.0 ± 24.4

252.5 ± 166.7*

126.4 ± 61.3

 

Pro

69.6 ± 16.0*

50.8 ± 15.0

61.7 ± 27.8*

43.1 ± 9.0

 
  1. Variation in plasma amino acid concentrations after oral Glu administration. The blood were collected before (0 min; initial), 30, 120, 360 and 1440 (24 h) min after administration of 50, 500 mg/kg Glu
  2. * p < 0.05 compared to initial group