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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.’
- ‘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.’
1920s via German from modern Latin zea ‘maize’ + xanthin, a yellow colouring in some plants.
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