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zeaxanthin

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

Definition of zeaxanthin in English:

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.

Definition of zeaxanthin in:

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