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Table 2 Cerebral delivery of large neutral amino acids

From: Cerebral net exchange of large neutral amino acids after lipopolysaccharide infusion in healthy humans

Amino acid Cerebral delivery μmol/100 g/min Baseline Cerebral delivery μmol/100 g/min LPS
Phenylalanine 2.8 (2.4-3.2) 3.3 (2.9-3.6)†
Tryptophan 2.6 (2.3-3.0) 2.3 (1.9-2.8)
Tyrosine 3.1 (2.7-3.7) 2.8 (2.3-3.2)
Valine 17.2 (14.3-20.1) 16.2 (13.7-18.6)
Leucine 8.8 (7.1-10.4) 8.4 (7.1-9.6)
Isoleucine 4.6 (3.8-5.3) 4.7 (4.0-5.4)
Methionine 1.1 (1.0-1.2) 0.7 (0.6-0.9)‡†
Histidine 5.7 (4.9-6.5) 4.6 (4.0-5.3)†
Threonine 7.7 (6.5-9.0) 5.8 (4.9-6.9)††
Glutamine 47.3 (39.6-55.1) 36.3 (30.7-42.0)††
  1. LPS = lipopolysaccharide. Different from baseline, †P < 0.05; ††P < 0.01; ‡†P <0.001.