Main Reaction: tryptophan >> 5-Hydroxytryptophan

Reference: PubMed ID: 25124318
Authors: Zhang N, Sun Q, Zhang H, Cao Y, Weeda S, Ren S, Guo YD
Title: Roles of melatonin in abiotic stress resistance in plants.
Published: 2015 Feb

tryptophan --> 5-Hydroxytryptophan