Main Reaction: ζ-Carotene >> Lycopene

Reference: PubMed ID: 15940866
Authors: Fonseca JM, Rushing JW, Rajapakse NC, Thomas RL, Riley MB
Title: Parthenolide and abscisic acid synthesis in feverfew are associated but environmental factors affect them dissimilarly.
Published: 2005 May

ζ-Carotene --> Lycopene