Term Name:	9,9'-di-cis-zeta-carotene desaturase activity
Synonyms:	carotene 7,8-desaturase activity, carotene,hydrogen-donor:oxygen oxidoreductase activity, zeta-carotene desaturase activity
Definition:	Catalysis of the reaction: 9,9'-di-cis-zeta-carotene + 2 a quinone = 7,7',9,9'-tetra-cis-lycopene + 2 a quinol.
Ontology:	GO: Molecular Function [GO:0016719]    QuickGO    AmiGO