| 11. | See xanthophyll cycle for this topic.
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| 12. | Zeaxanthin is one of the two primary xanthophyll carotenoids contained within the retina of the eye.
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| 13. | Xanthophylls and carotenoids are the yellow and orange pigments abundant in hickories, tulip poplars and ginkgo.
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| 14. | The bright yellow form is exclusively aerial and is thought to be associated with excess xanthophyll production.
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| 15. | Xanthophylls are the most common yellow pigments that form one of two major divisions of the carotenoid group.
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| 16. | Chromoplasts synthesize and store pigments such as orange carotene, yellow xanthophylls, and various other red pigments.
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| 17. | In white cultivars, carotenoids are formed, while in red cultivars, anthocyanins and xanthophylls are formed.
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| 18. | It is a xanthophyll cycle pigment, an oil-soluble alcohol within the xanthophyll subgroup of carotenoids.
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| 19. | It is a xanthophyll cycle pigment, an oil-soluble alcohol within the xanthophyll subgroup of carotenoids.
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| 20. | Lessening or heightening photoprotection through the xanthophyll cycle allows plants to regulate their own light uptake for photosynthesis.
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