Category Archives: Catecholamines

L-Phenylalanine and DL-Phenylalanine: Differences

Posted on June 20, 2015 by Robert Barrington

L-phenylalanine is an essential amino acid required for the synthesis of proteins. In addition, L-phenylalanine is the substrate for the formation of the catecholamine neurotransmitters and hormones. The catecholamines are adrenaline, noradrenaline and dopamine, and in the brain they play … Continue reading →

Posted in Adrenergic System, Catecholamines, DL-Phenylalanine, Dopamine, L-phenylalanine, L-tyrosine, Stress | Comments Off on L-Phenylalanine and DL-Phenylalanine: Differences

Fasting: How Does it Affect Cognition?

Posted on June 17, 2015 by Robert Barrington

Many people are unknowingly fasting because they do not eat from early evening one day to lunch time the following day. Evidence suggests that skipping breakfast is associated with certain detrimental health outcomes including weight gain and obesity. However, detrimental … Continue reading →

Posted in Brain, Breakfast, Catecholamines, Children, Glucose | Comments Off on Fasting: How Does it Affect Cognition?

Do Obese Individuals Have Impaired Catecholamine Metabolism?

Posted on November 6, 2014 by Robert Barrington

The catecholamines adrenaline, noradrenaline and dopamine are produced from the non-essential amino acid L-tyrosine through a series of enzymatic reactions that are controlled by a rate limiting step catalysed by tyrosine hydroxylase. Catecholamines are important neurotransmitters in the brain that … Continue reading →

Posted in Adrenergic System, Catecholamines, Iron, L-tyrosine, Thermic Effect of Food (TEF), Weight Loss | Comments Off on Do Obese Individuals Have Impaired Catecholamine Metabolism?