Main Reaction: L-Tryptophan >> N-formylkynurenine

Reference: PubMed ID: 2168940
Authors: Swartz KJ, During MJ, Freese A, Beal MF
Title: Cerebral synthesis and release of kynurenic acid: an endogenous antagonist of excitatory amino acid receptors.
Published: 1990 Sep

L-Tryptophan --> N-formylkynurenine