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tyramine
(redirected from P-tyramine)

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia 0.01 sec.
ty·ra·mine (tr-mn)
n.
A colorless crystalline amine found in mistletoe, putrefied animal tissue, certain cheeses, and ergot, or produced synthetically, used as a sympathomimetic agent.

tyramine
[tī′rəmēn]
Etymology: Gk, tyros, cheese, amine, ammonia
an amino acid synthesized in the body from the essential amino acid tyrosine. Tyramine stimulates the release of the catecholamines epinephrine and norepinephrine. People taking monoamine oxidase inhibitors should avoid the ingestion of foods and beverages containing tyramine, particularly aged cheeses and meats, bananas, yeast-containing products, and certain alcoholic beverages, such as red wines. See also amine, catecholamine, epINEPHrine, norepinephrine, sympathomimetic, vasoconstriction.

tyramine [ti´rah-mēn]
a decarboxylation product of tyrosine, which may be converted to cresol and phenol, found in decayed animal tissue, ripe cheese, and ergot. Closely related structurally to epinephrine and norepinephrine, it has a similar but weaker action.

tyramine (tī´rmēn´),
n an amino acid synthesized in the body from the essential acid tyrosine. Tyramine stimulates the release of the catecholamines epinephrine and norepinephrine. It is important that people taking monoamine oxidase inhibitors avoid the ingestion of foods and beverages containing tyramine, particularly aged cheese, meats, bananas, yeast-containing products, and alcoholic beverages.

tyramine
1. a decarboxylation product of tyrosine, which may be converted to cresol and phenol, found in decayed animal tissue, ripe cheese, and ergot. Closely related structurally to epinephrine and norepinephrine, it has a similar but weaker action.
2. N-methyl-β-phenylethylamine, a toxic amine found in Acacia berlandieri and mistletoes.


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