Definition of zeaxanthin in English:

Share this entry

zeaxanthin

Pronunciation: /ziːəˈzanθɪn/

noun

Biochemistry
A deep yellow carotenoid pigment present in the retina of the eye and in some plants, used as a food additive and supplement.
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.

Origin

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

Share this entry
 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.