15,9'-di-cis-phytofluene + a plastoquinone => 9,9',15-tri-cis-zeta-carotene + a plastoquinol
15,9'-di-cis-phytofluene + a plastoquinone => 9,9',15-tri-cis-zeta-carotene + a plastoquinol
15,9'-di-cis-phytofluene + a plastoquinone => 9,9',15-tri-cis-zeta-carotene + a plastoquinol
15,9'-di-cis-phytofluene + a plastoquinone => 9,9',15-tri-cis-zeta-carotene + a plastoquinol