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Table 1 Mean plasma amino acid concentrations (μmol/l) before and after exercise

From: Repeated post-exercise administration with a mixture of leucine and glucose alters the plasma amino acid profile in Standardbred trotters

 

GLU+ LEU

CON

 

Before

After exercise

Before

After exercise

Leucine

84 ± 7

128 ± 13*

87 ± 7

136 ± 7*

Isoleucine

58 ± 5

77 ± 8*

57 ± 5

71 ± 5*

Valine

168 ± 20

203 ± 23*

171 ± 20

191 ± 14*

Tyrosine

61 ± 5

73 ± 7*

58 ± 4

73 ± 4*

Phenylalanine

60 ± 5

84 ± 6*

63 ± 4

81 ± 7*

Glutamate

24 ± 2

45 ± 9*

26 ± 2

36 ± 3*

Glutamine

255 ± 30

204 ± 24*

248 ± 18

211 ± 21*

Glycine

454 ± 54

434 ± 59

419 ± 30

433 ± 33

Methionine

22 ± 2

28 ± 2

25 ± 2

34 ± 3

Serine

34 ± 3

32 ± 3

34 ± 3

34 ± 4

Threonine

137 ± 16

133 ± 14

126 ± 13

134 ± 14

Histidine

69 ± 6

58 ± 4

70 ± 6

64 ± 5

Metyl-histidine

33 ± 4

28 ± 3

36 ± 6

31 ± 5

Tryptophan

89 ± 5

92 ± 7

88 ± 7

99 ± 10

  1. Mean values ± SEM are shown for plasma amino acid (μmol/l) concentrations before and after two glycogen depleting field exercise tests. The exercise tests were performed by 11 horses before they were given two different oral treatments during the early post-exercise period, either glucose and leucine (GLU+LEU) or water (CON). *Significantly different from rest.
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Acta Veterinaria Scandinavica

ISSN: 1751-0147