Main Reaction: Echinenone >> Canthaxanthin

Reference: PubMed ID: 18494855
Authors: Hasunuma T, Miyazawa S, Yoshimura S, Shinzaki Y, Tomizawa K, Shindo K, Choi SK, Misawa N, Miyake C
Title: Biosynthesis of astaxanthin in tobacco leaves by transplastomic engineering.
Published: 2008 Sep

Echinenone --> Canthaxanthin