出典:Wikipedia
出典:『Wikipedia』 (2011/05/08 01:46 UTC 版)
Tyramine (4-Hydroxyphenethylamine; para-Tyramine; Mydrial, Uteramin) is a naturally-occurring monoamine compound and trace amine derived from the amino acid tyrosine. Tyramine acts as a catecholamine (dopamine, norepinephrine (noradrenaline), epinephrine (adrenaline)) releasing agent. Notably, however, it is unable to cross the blood-brain-barrier (BBB), resulting in only non-psychoactive peripheral sympathomimetic effects. When tyramine rich foods are ingested in conjunction with a monoamine oxidase inhibitor (MAOI), tyramine is responsible for the so-called "cheese effect" sometimes seen with their use.
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