noun

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

  ‘The recombinant protein was assayed for cleavage activity towards zeaxanthin.’

  More example sentences

  • ‘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.’
  • ‘Obviously, in their case, zeaxanthin cannot be an important factor in energy dissipation.’
  • ‘During this interaction, energy is dissipated via a charge exchange mechanism in which the zeaxanthin gives up an electron to the chlorophyll.’