(3R,6R)-3-hydroxy-10'-apo-alpha-carotenal + (3R)-hydroxy-beta-ionone => lutein + O2
(3r,6r)-3-hydroxy-10'-apo-alpha-carotenal + (3r)-hydroxy-beta-ionone => lutein + o2
(3R,6R)-3-hydroxy-10'-apo-alpha-carotenal + (3R)-hydroxy-beta-ionone => lutein + O2
(3r,6r)-3-hydroxy-10'-apo-alpha-carotenal + (3r)-hydroxy-beta-ionone => lutein + o2