Main Reaction: arginine >> ornithine

Reference: PubMed ID: 23519118
Authors: Tucci P, Porta G, Agostini M, Dinsdale D, Iavicoli I, Cain K, Finazzi-Agró A, Melino G, Willis A
Title: Metabolic effects of TiO2 nanoparticles, a common component of sunscreens and cosmetics, on human keratinocytes.
Published: 2013 Mar 21

arginine --> ornithine