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.

For editors and proofreaders

Line breaks: zea|xan¦thin

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.