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Figure 1 from Conversion L-tryptophan to melatonin in the gastrointestinal tract: the new high performance liquid chromatography method enabling simultaneous determination of six metabolites of L-tryptophan by native fluorescence and UV-VIS detection.
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Simultaneous Determination of Melatonin, l-Tryptophan, and two l-Tryptophan-Derived Esters in Food by HPLC with Graphene Oxide/SiO2 Nanocomposite as the Adsorbent | SpringerLink
Tryptophan - Wikipedia
Melatonin synthesis pathway. Tryptophan is hydroxylated by tryptophan... | Download Scientific Diagram
Serotonin and Melatonin Synthesis | Tryptophan Metabolism - YouTube
Synthesis of melatonin from tryptophan in yeast. | Download Scientific Diagram
Molecules | Free Full-Text | Effects of Duodenal 5-Hydroxytryptophan Perfusion on Melatonin Synthesis in GI Tract of Sheep