the concentrations of trp and indoles were more affected at day 5 than at day 20 : slightly decreased concentration of trp in the serum but markedly increased concentrations of brain trp ( only at maximum dose ) , elevated serotonin ( 5-ht , independent on the amount of saline injected ) and 5-hydroxyindoleacetic acid ( 5-hiaa , at maximum dose ) in the brain .
C0086045
concentrations
C0006104
brain