Synthesis of tracer labelled [11,12‐3H]‐β‐carotene |
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| Abstract: | The synthesis of tracer labelled [11,12‐3H]‐β‐carotene is described. The procedure uses Wittig condensation of tracer labelled 3H‐retinal (retinal spiked with [11,12‐3H]‐retinal) with retinyl triphenylphosphonium bromide. The preparation of tracer labelled[3H]‐β‐carotene is suitable for studies involving bioavailability and bioconversion of β‐carotene to vitamin A. Copyright © 2003 John Wiley & Sons, Ltd. |
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| Keywords: | tritium [11,12‐3H]‐β ‐carotene retinol retinal vitamin A |
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