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vitamin A 1 |
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vitamin A1, one of the two forms of vitamin A that occur in nature. It is a fat-soluble unsaturated alcohol formed by hydrolysis of beta-carotene, one molecule of which yields two molecules of vitamin A1. Natural sources include fish-liver oils, butterfat, and egg yolk. The vitamin is needed for healthy vision and skin epithelium. Also called retinol. 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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