Main Reaction: zeinoxanthin >> lutein

Reference: PubMed ID: 16800876
Authors: Diretto G, Tavazza R, Welsch R, Pizzichini D, Mourgues F, Papacchioli V, Beyer P, Giuliano G
Title: Metabolic engineering of potato tuber carotenoids through tuber-specific silencing of lycopene epsilon cyclase.
Published: 2006 Jun 26

zeinoxanthin --> lutein