Main Reaction: alpha-cryptoxanthin >> Lutein

Reference: PubMed ID: 22786888
Authors: Quinlan RF, Shumskaya M, Bradbury LM, Beltrán J, Ma C, Kennelly EJ, Wurtzel ET
Title: Synergistic interactions between carotene ring hydroxylases drive lutein formation in plant carotenoid biosynthesis.
Published: 2012 Sep

alpha-cryptoxanthin --> Lutein