Tyramine hydrochloride (CAS No 60-19-5) is a bioactive amine commonly used in biomedical research to study its interaction with trace amine-associated receptors (TAARs) and its involvement in neurotransmitter regulation It is derived from the decarboxylation of tyrosine which can occur naturally in fermented foods Tyramine primarily influences adrenergic dopaminergic and serotonergic pathways making it a valuable compound for investigating neurological and cardiovascular functions Its in vitro activity is observed in the nanomolar to low micromolar range Research applications include use in cell models and animal studies to explore its role in synaptic transmission and potential drug interactions It is also utilized in drug screening assays to evaluate biochemical pathways related to mood disorders and hypertension Experimental concentrations typically depend on the specific research design