| Vitamin A and E intakes and plasma concentrations of retinol, beta-carotene, and alpha-tocopherol in men and women of the Baltimore Longitudinal Study of Aging. | |
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MedLine Citation:
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PMID: 8030594 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Antioxidants have been linked to protection against degenerative diseases associated with aging. Plasma concentrations were determined for and 7-d diet records collected from 200 women and 231 men aged 20-95 y who took part in the Baltimore Longitudinal Study of Aging. Men consumed more vitamin A from animal and less from vegetable sources than did women. These sex differences are reflected in plasma concentrations of retinol and beta-carotene. About 20% of subjects had vitamin A intakes less than recommended dietary allowances; however, no men and only two women had marginal plasma retinol (< 0.35 mumol/L) concentrations. Older people had higher plasma alpha-tocopherol, which correlated with total intake. Forty-two men and 35 women had plasma alpha-tocopherol concentrations that were considered marginal. Sex differences in sources of dietary and plasma vitamin A may have consequences in relation to aging and longevity. Apparent marginal intakes and plasma concentrations of vitamin E need to be further examined to determine effects on health status. |
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Authors:
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J Hallfrisch; D C Muller; V N Singh |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: The American journal of clinical nutrition Volume: 60 ISSN: 0002-9165 ISO Abbreviation: Am. J. Clin. Nutr. Publication Date: 1994 Aug |
Date Detail:
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Created Date: 1994-08-11 Completed Date: 1994-08-11 Revised Date: 2004-11-17 |
Medline Journal Info:
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Nlm Unique ID: 0376027 Medline TA: Am J Clin Nutr Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 176-82 Citation Subset: AIM; IM |
Affiliation:
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Beltsville Human Nutrition Research Center, US Department of Agriculture, MD 20705. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Adult Aged Aged, 80 and over Aging / metabolism Carotenoids / blood* Diet Female Food, Fortified Humans Longitudinal Studies Male Middle Aged Sex Factors Smoking / metabolism Vitamin A / administration & dosage*, blood* Vitamin E / administration & dosage*, blood* beta Carotene |
| Chemical | |
Reg. No./Substance:
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11103-57-4/Vitamin A; 1406-18-4/Vitamin E; 36-88-4/Carotenoids; 7235-40-7/beta Carotene |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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