Category Archives: L-tyrosine

Tyrosine and Stress

Posted on April 9, 2012 by Robert Barrington

Stress has been shown to cause neurochemical and behavioural changes that are related to alterations in the neurotransmitter balance in the brain. During times of stress, catecholamine levels in some brain areas increase, and in other areas there is a … Continue reading →

Posted in L-tyrosine, Stress | Comments Off on Tyrosine and Stress

Aspartame, Serotonin and Rats

Posted on June 27, 2011 by Robert Barrington

The macronutrient composition of the diet is known to have a direct influence on the amino acid content of the blood. In turn the plasma amino acid levels are known to be able to alter brain chemistry by shifting the … Continue reading →

Posted in Aspartame, L-phenylalanine, L-tryptophan, L-tyrosine | Comments Off on Aspartame, Serotonin and Rats

L-Tyrosine and Catecholamine Synthesis

Posted on May 29, 2011 by Robert Barrington

Dopamine, noradrenaline and adrenaline catecholamine neurotransmitters, so named because their structure is based on catechol (figure 1). The catecholamines play an important role in the nervous system, where they are involved in activation of the sympathetic branch of the central … Continue reading →

Posted in L-tyrosine | Comments Off on L-Tyrosine and Catecholamine Synthesis