The analysis of biologically active compounds, most often responsible for the functioning of natural systems is particularly important in both the biomedical and pharmaceutical fields. Among the compounds with important biological activity, biogenic amines, especially psychoactive catecholamines (considered important neurotransmitters in the central nervous system) and their related compounds (synthetic drugs that mimic the amines behavior in the human body) have currently constituted a research topic of great interest both inneuroscience and food industry. In humans, the most abundant natural catecholamines (epinephrine, norepinephrine and dopamine) are secreted by the adrenal glands, from the aminoacids phenylalamines and tyrosine, in response to stress. Usually the catecholamines cause general physiological changes preparing the body for physical activities but they have been associated also with oxidative stress related-pressor response being important markers for the diagnosis of several diseases. In addition, they are widely used in the treatment of bronchial asthma, hypertension, heart failure associated with organic heart disease and cardiac surgery.