TABLE 3.
Free intracellular concentrations of amino acids in skeletal muscle of young pigs after 60 min of infusion with saline, leucine, KIC, or norleucine1
Treatment |
|||||
---|---|---|---|---|---|
Amino acid | Saline | Leucine | KIC | Norleucine | SE2 |
μmol/L | |||||
Alanine | 260.9a | 150.7b | 127.8b | 147.3b | 26.1 |
Arginine | 308.3 | 292.7 | 347.8 | 283.3 | 30.1 |
Aspartate + asparagine | 173.2a | 131.4b | 144.6a,b | 149.6a,b | 14.2 |
Glutamate + glutamine | 1,270.1 | 1,364.0 | 1,383.1 | 1,353.5 | 62.3 |
Glycine | 503.2 | 509.4 | 541.1 | 539.2 | 49.9 |
Histidine | 12.7a,b | 11.5a,b | 16.7a | 10.5b | 2.0 |
Isoleucine | 29.1 | 26.5 | 28.7 | 28.9 | 1.8 |
Leucine | 12.4c | 41.2a | 33.5b | 9.4c | 1.5 |
Lysine | 14.1a | 8.0b | 6.6b | 14.3a | 1.7 |
Methionine | 6.0 | 3.7 | 5.3 | 5.5 | 0.8 |
Norleucine | n.d. | n.d. | n.d. | 42.2 | 1.2 |
Phenylalanine | 123.1 | 120.4 | 116.0 | 117.8 | 2.7 |
Proline | 35.3 | 32.6 | 25.5 | 33.5 | 3.8 |
Serine | 93.2a | 71.9b | 90.9a,b | 77.8a,b | 7.3 |
Threonine | 158.1a,b | 158.9a,b | 142.0b | 164.4a | 7.9 |
Tryptophan | 1.96a | 1.30b,c | 1.10c | 1.63a,b | 0.2 |
Tyrosine | 40.1 | 39.1 | 28.0 | 33.1 | 8.1 |
Valine | 21.9a | 17.4a,b | 15.0b | 18.6a,b | 1.7 |
Data are means per treatment, n = 7–8. Labeled means in a row with superscripts without a common letter differ, P < 0.05.
Pooled SE of treatment groups.