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Centrum is an American brand of multivitamins produced by Haleon. It was designed by Dr. Ellenbogen's team, working at Lederle Laboratories , and was introduced in 1978. It has been owned by Wyeth , Pfizer , GSK .
Lutein (/ ˈ lj uː t i ɪ n,-t iː n /; [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.
[46] [needs update] Including lutein and zeaxanthin supplements in with a multivitamin does not improve progression of macular degeneration. [46] The need for high-quality studies looking at the safety of taking multivitamins has been highlighted. [46] According to the Harvard School of Public Health: "... many people don't eat the healthiest ...
Conversion of lutein to meso-zeaxanthin. Meso-zeaxanthin is produced at an industrial level from the lutein obtained from marigold petals. The process involves saponification, which is carried out using high temperature and a high concentration of base, leads to the isomerization of the 4′-5′ double bond to the 5′-6′ position.
Haleon plc is a British multinational consumer healthcare company with headquarters in Weybridge, England. [3] It is one of the largest consumer healthcare businesses in the world, with brands including Sensodyne toothpaste, Panadol and Advil painkillers, and Centrum vitamins. [4]
The term luteinizing comes from the Latin "luteus", meaning "yellow". [6] This is in reference to the corpus luteum, which is a mass of cells that forms in an ovary after an ovum (egg) has been discharged. [7]
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