Tracer studies of nutrient bioavailability using ‘naturally enriched’ 13C-labelled substrates

The stable carbon isotope 13C is now used widely as a tracer in metabolic and clinical studies. Very low levels of isotope incorporation can be measured with great precision by modern isotope-ratio mass spectrometers. This allows the study of ‘naturally enriched’ foodstuffs formed as a result of iso...

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Bibliographic Details
Published inTrends in food science & technology Vol. 3; no. 10; pp. 268 - 271
Main Author McGaw, Brian A.
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 1992
Subjects
bioavailability
laboratory techniques
nutrients
stable isotopes
substrates
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Summary:The stable carbon isotope 13C is now used widely as a tracer in metabolic and clinical studies. Very low levels of isotope incorporation can be measured with great precision by modern isotope-ratio mass spectrometers. This allows the study of ‘naturally enriched’ foodstuffs formed as a result of isotope fractionation during photosynthesis; such materials are now being used to measure body tissue/store turnover and the bioavailability of nutrients in humans.
ISSN:0924-2244
1879-3053
DOI:10.1016/S0924-2244(10)80007-X