Tryptophan

Description

Tryptophan is one of the nine amino acids considered essential for healthy people at different stages of life. Depending on the source, the concentration of tryptophan in food proteins varies from 30 to 380 mg/100 g, the lowest levels are found in tuber and corn proteins and the highest in meat.

In adults, in western populations, the average tryptophan intake is 0.9 g/d, with an estimated requirement of 4 mg/kg body weight/d.

 

The benefits

It is also used in two important metabolic pathways:

        • The first leads to niacin, or vitamin B3, whose derivatives (NAD (Nicotinamide Adenine Dinucleotide) and NADP (Nicotinamide Adenine Dinucleotide Phosphate)) are two coenzymes necessary for many essential reactions to cell respiration.
        • The second leads to the formation of 5-hydroxytryptophan (5-HTP), , very little present in food, except in negligible quantities in some plants such as the seed of Griffonia Simplicifolia, which contains up to 7%). 5-HTP is the precursor of serotonin, a neurotransmitter that plays an essential role in the regulation of mood, anxiety, appetite and sleep.

On arrival, we see the primordial role of tryptophan upstream, since via 5-HTP metabolized into serotonin, the latter in turn is transformed into melatonin, a hormone involved in the regulation of biological rhythms, known for its ability to facilitate falling asleep.

 

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