Journal
JOURNAL OF CHROMATOGRAPHY A
Volume 987, Issue 1-2, Pages 359-366Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0021-9673(02)01908-8
Keywords
vitamins; carotenes; tocopherols; carotenoids
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We used reversed-phase HPLC with diode array detection to simultaneously measure the major isoforms of vitamins A, E, and the carotenoids in serum from 55 healthy people with spinal cord injuries. Typically, the method measured retinol (vitamin A), alpha-tocopherol (vitamin E) and beta-carotene, alpha-carotene, lutein, lycopene, and cryptoxanthin (carotenoids). gamma-Tocopherol (vitamin E), 25-hydroxycalciferol (vitamin D), and the carotenoid zeaxanthin could also be measured when they were present in high concentrations. Healthy people with spinal cord injuries were more likely than similar people without injuries to have low concentrations of alpha-tocopherol, and to a lesser extent retinol and beta-carotene. Published by Elsevier Science B.V.
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