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retinol |
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retinol: see Vitamin A under vitamin vitamin, group of organic substances that are required in the diet of humans and animals for normal growth, maintenance of life, and normal reproduction. Vitamins act as catalysts; very often either the vitamins themselves are coenzymes , or they form integral parts ..... Click the link for more information. . vitamin Aalso called retinolFat-soluble alcohol, most abundant in fatty fish and especially in fish-liver oils. It is not found in plants, but many vegetables and fruits contain beta-carotene (see carotene), which is readily converted in the body to vitamin A. It functions directly in vision, especially night vision. A derivative, retinaldehyde, is a component of the visual pigments, including rhodopsin, in the retina. Humans require vitamin A in very small amounts. Unlike carotenes, it is toxic in large amounts and is readily destroyed by exposure to heat, light, or air. retinol [′ret·ən‚ȯl] (biochemistry) How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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at least 25 mcg of vitamin K Men under 50: no more than 10 mg of iron at least 25 mcg of vitamin K </pre> <p>Our circles show which multis have enough magnesium and selenium and not too much retinol (vitamin A acetate or palmitate) and vitamin E. 4 mg Folate 29 mcg Folic Acid 0 mcg Vitamin C 3 mg Selenium 35 mcg Vitamin A 42 IU Retinol 13 mcg Vitamin D 425 IU (www. The Beta Carotene and Retinol Efficacy Trial (CARET), funded by the National Institutes of Health, was halted early because of this finding (SN: 1/27/96, p. |
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