Main Reaction: 2phenol + O2 >> 2catechol

Reference: PubMed ID: 19833500
Authors: Dong W, Dong C, Shuang S, Choi MM
Title: Near-infrared luminescence quenching method for the detection of phenolic compounds using N-acetyl-L-cysteine-protected gold nanoparticles-tyrosinase hybrid material.
Published: 2010 Jan 15

2phenol + O2 --> 2catechol