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 => 15,9'-di-cis-phytofluene + a plastoquinone