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2. Age-Related Eye Disease Study - Wikipedia

   en.wikipedia.org/wiki/Age-Related_Eye_Disease_Study

   The Age-Related Eye Disease Study ( AREDS) was a clinical trial sponsored by the National Eye Institute that ran from 1992 to 2001. [1] The study was designed to: investigate the natural history and risk factors of age-related macular degeneration (AMD) and cataracts, and. evaluate the effects of high doses of antioxidants and zinc on the ...

3. Lutein - Wikipedia

   en.wikipedia.org/wiki/Lutein

   Lutein ( / ˈljuːtiɪn, - tiːn /; [2] from Latin luteus meaning "yellow") is a xanthophyll and one of 600 known naturally occurring carotenoids. Lutein is synthesized only by plants, and like other xanthophylls is found in high quantities in green leafy vegetables such as spinach, kale and yellow carrots. In green plants, xanthophylls act to ...

4. Zeaxanthin - Wikipedia

   en.wikipedia.org/wiki/Zeaxanthin

   Natural occurrence. Zeaxanthin is the pigment that gives paprika, corn, saffron, wolfberries (goji), and many other plants their characteristic colors of red, orange or yellow. [2] [18] Spirulina is also a rich source and can serve as a dietary supplement. [25] Zeaxanthin breaks down to form picrocrocin and safranal, which are responsible for ...

5. Xanthophyll - Wikipedia

   en.wikipedia.org/wiki/Xanthophyll

   Xanthophyll. The characteristic color of egg yolk results from the presence of a xanthophyll pigment typical in color of lutein or zeaxanthin of the xanthophylls, a division of the carotenoids group. Xanthophylls (originally phylloxanthins) are yellow pigments that occur widely in nature and form one of two major divisions of the carotenoid ...

6. Carotenoid - Wikipedia

   en.wikipedia.org/wiki/Carotenoid

   Carotenoid. Chemical structure of β- carotene, a common natural pigment. Carotenoids ( / kəˈrɒtɪnɔɪd /) are yellow, orange, and red organic pigments that are produced by plants and algae, as well as several bacteria, archaea, and fungi. [1] Carotenoids give the characteristic color to pumpkins, carrots, parsnips, corn, tomatoes, canaries ...

7. Vitamins/Supplements and NZ Customs - New Zealand Forum

   www.tripadvisor.com/ShowTopic-g255104-i125-k...

   I do take vitamin/supplements and most of them have natural ingredients. One supplement contains senna that I'm particularly concerned about. It is in capsule form. In fact all of my vitamins/supplements are capsule or tablet form. I have reviewed the NZ customs declaration form and NZ customs website, however, I couldn't find much information ...