5-Hydroxytryptophan: Difference between revisions

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==Chemistry==

5-HTP is a molecule of the [[tryptamine]] class. It is the 5-Hydroxy analog of tryptophan. It contains a propanoic acid group at R<sub>N</sub>, which it shares with tryptophan, phenylalanine and several other natural compounds. It is commonly sold as the levorotatory isomer.

==Pharmacology==

The psychoactive action of 5-HTP is derived from its increase in production of serotonin in central nervous system tissue. 5-HTP is decarboxylated to serotonin (5-hydroxytryptamine or 5-HT) by the enzyme aromatic-L-amino-acid decarboxylase with the help of vitamin B6.<ref>https://www.ncbi.nlm.nih.gov/pubmed/6983619 | Effect of pyridoxal phosphate deficiency on aromatic L-amino acid decarboxylase activity with L-DOPA and L-5-hydroxytryptophan as substrates in rats.</ref> This reaction occurs both in nervous tissue and in the liver.<ref>https://www.ncbi.nlm.nih.gov/pubmed/6974228 | Characteristics of dihydroxyphenylalanine/5-hydroxytryptophan decarboxylase activity in brain and liver of cat.</ref> 5-HTP crosses the blood–brain barrier,<ref>https://www.ncbi.nlm.nih.gov/pubmed/18445233 | Augmented brain 5-HT crosses the blood-brain barrier through the 5-HT transporter in rat.</ref> while 5-HT does not.

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 ==Chemistry==
 {{chemistry}}
+-HTP is a molecule of the [[tryptamine]] class. It is the 5-Hydroxy analog of tryptophan. It contains a propanoic acid group at R<sub>N</sub>, which it shares with tryptophan, phenylalanine and several other natural compounds. It is commonly sold as the levorotatory isomer.
 ==Pharmacology==
 The psychoactive action of 5-HTP is derived from its increase in production of serotonin in central nervous system tissue. 5-HTP is decarboxylated to serotonin (5-hydroxytryptamine or 5-HT) by the enzyme aromatic-L-amino-acid decarboxylase with the help of vitamin B6.<ref>https://www.ncbi.nlm.nih.gov/pubmed/6983619 | Effect of pyridoxal phosphate deficiency on aromatic L-amino acid decarboxylase activity with L-DOPA and L-5-hydroxytryptophan as substrates in rats.</ref> This reaction occurs both in nervous tissue and in the liver.<ref>https://www.ncbi.nlm.nih.gov/pubmed/6974228 | Characteristics of dihydroxyphenylalanine/5-hydroxytryptophan decarboxylase activity in brain and liver of cat.</ref> 5-HTP crosses the blood–brain barrier,<ref>https://www.ncbi.nlm.nih.gov/pubmed/18445233 | Augmented brain 5-HT crosses the blood-brain barrier through the 5-HT transporter in rat.</ref> while 5-HT does not.