Main Reaction: Adonixanthin >> Astaxanthin

Reference: PubMed ID: 9119049
Authors: Harker M, Hirschberg J
Title: Biosynthesis of ketocarotenoids in transgenic cyanobacteria expressing the algal gene for beta-C-4-oxygenase, crtO.
Published: 1997 Mar 10

Adonixanthin --> Astaxanthin