zeaxanthin Definitions


a yellow crystalline carotenoid alcohol that occurs widely with lutein, with which it is isomeric, and is the chief pigment of maize

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e161h when used as a food colouringe161h

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  • follow popeye's lead and add spinach to your regime. australian researchers found that getting high amounts of the antioxidants lutein and zeaxanthin (found in green veggies like spinach) can help relieve knee pain caused by osteoarthritis. several studies have found an additional benefit of lutein and zeaxanthin, as they can help prevent vision-related diseases. everydayhealth.com

  • choose a healthy diet. the antioxidant vitamins in fruits and vegetables contribute to eye health. kale, spinach, broccoli, squash and other vegetables have high levels of antioxidants, including lutein and zeaxanthin, which may benefit people with macular degeneration. foods containing high levels of zinc also may be of particular value in patients with macular degeneration. these include high-protein foods, such as beef, pork and lamb. nonmeat sources include milk, cheese, yogurt, whole-grain cereals and whole-wheat bread. mayoclinic.org

  • dark, leafy greens like collard greens, kale, and spinach are rich in vitamins c and e. they also have carotenoids called zeaxanthin and lutein. these are nutrients that help protect against age-related macular degeneration (amd) and cataracts. lutein and zeaxanthin are found in abundance in the retina and lens of the eye. there is no rda for zeaxanthin and lutein, but diets that provide 6 milligrams per day of these nutrients have been found to be protective against amd. one half-cup of cooked kale provides 10.3 milligrams of lutein and zeaxanthin. broccoli, sweet corn, and romaine lettuce are good sources of these nutrients, too. these foods aren't just good for your eyes, but they help prevent other health problems, too. medicinenet.com

  • the retina is at the back of the eye. it changes light and images that enter the eye into nerve signals that are sent to the brain. a part of the retina called the macula makes vision sharper and more detailed. it is a yellow spot in the center of the retina. it has a high amount of two natural colors (pigments) called lutein and zeaxanthin. medlineplus.gov

  • “our hypothesis was supported by our findings that that higher vitamin a intake was associated with a reduction in cutaneous scc risk,” explained dr. cho. “we found that vitamin a from both animal- and plant-based sources were associated with reduced risk of scc. we also found that some carotenoids which do not convert to vitamin a (such as lycopene and lutein and zeaxanthin) were associated with reduced risk of scc.” medpagetoday.com

  • there is no way to reverse damage caused by retinitis pigmentosa, but vitamin a palmitate 15,000 iu orally once a day may help slow disease progression in some patients. patients taking vitamin a palmitate should have regular liver tests. dietary supplementation with an omega-3 fatty acid (eg, docosahexaenoic acid) and an oral preparation of lutein plus zeaxanthin may also slow the rate of vision loss. merckmanuals.com