7,7',9,9'-tetra-cis-lycopene + 2 a quinol => 9,9'-di-cis-zeta-carotene + 2 a quinone
7,7',9,9'-tetra-cis-lycopene + 2 a quinol => 9,9'-di-cis-zeta-carotene + 2 a quinone
7,7',9,9'-tetra-cis-lycopene + 2 a quinol => 9,9'-di-cis-zeta-carotene + 2 a quinone
7,7',9,9'-tetra-cis-lycopene + 2 a quinol => 9,9'-di-cis-zeta-carotene + 2 a quinone