in r rats , a high-salt diet reduces the activities of tyrosine 3-hydroxylase ( th ; -5 % ) and dopamine beta-hydroxylase ( dbh ; -18 % ) as well as the levels of all catecholamines ( dopamine -28 % , norepinephrine -11 % , and epinephrine -28 % ) .
C0028351
norepinephrine
C0014563
epinephrine