Definition of zeaxanthin in English:


Line breaks: zea|xan¦thin
Pronunciation: /ziːəˈzanθɪn


  • A deep yellow carotenoid pigment present in the retina of the eye and in some plants, used as a food additive and supplement.
    More example sentences
    • The recombinant protein was assayed for cleavage activity towards zeaxanthin.
    • The blue light response of guard cells is mediated by the chloroplastic carotenoid, zeaxanthin.
    • The first major breakthrough in understanding the molecular genetics of ABA biosynthesis involved the cloning of zeaxanthin epoxidase.


1920s: via German from modern Latin zea 'maize' + xanthin, a yellow colouring in some plants.

More definitions of zeaxanthin

Definition of zeaxanthin in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day astrogation
Pronunciation: ˌastrə(ʊ)ˈgeɪʃ(ə)n
(in science fiction) navigation in outer space