The amino acids are structural components of proteins, macro managers, among other things, to provide raw materials to build and regenerate the body. The neurotransmitters are chemical messengers responsible for all of our brain processes (both cognitive and emotional) and internal communication in the brain that occur after amino acid deficiency can cause depression, inability to relax, poor memory and lack of concentration, thus affecting mental performance.
The Tryptophan, which is the amino acid precursor of serotonin , (neurotransmitter responsible for sleep and emotional stability), does not cross the blood-brain barrier even when ingested protein content, because they always come before amino acids Tyrosine and Phenylalanine neutral amino acids (glycine, alanine, serine, threonine, valine, leucine, isoleucine), triggers neurotransmitter precursors, thereby preventing their access to the brain.
The Tryptophan access to the brain is only possible when you eat a food with a low amount of protein-rich foods with high glycemic index; is why the intake of sweets, pasta, bread or potatoes, accompanied by a certain amount of protein produced lethargy due, in part, to lower blood glucose (glycemic response) and on the other hand, access of tryptophan to the brain, which significantly raises our level of serotonin, inducing sleep.
Iraima Dr Acuña. Nutrition Specialist.
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