Natural Iron Isotope Variations in Human Blood
Copyright policy )Natural Iron Isotope Variations in Human Blood
Isotopic analysis of human blood and liver and muscle tissue indicates that each individual bears a long-term iron (Fe) isotope signature in the blood. Blood and tissue differ slightly in isotopic composition and are depleted by up to 2.6 per mil in 56 Fe relative to 54 Fe when compared to dietary Fe. The 56 Fe/ 54 Fe isotope ratio in the blood of males is, on average, lower by 0.3 per mil than that of females. These results suggest that Fe isotope effects in the blood reflect differences in intestinal Fe absorption between individuals and genotypes.
- University of Bern Switzerland
- École Polytechnique Fédérale de Lausanne EPFL Switzerland
- Helmholtz Centre Potsdam Germany
- Helmholtz Centre Potsdam - GFZ German Research Centre for Geosciences Germany
- ETH Zurich Switzerland
Adult, Male, Sex Characteristics, Meat, Iron, Muscles, Infant, 550 - Earth sciences, Iron Isotopes, Intestinal Absorption, Liver, Reference Values, Animals, Humans, Female, Child, Food Analysis, Iron, Dietary
Adult, Male, Sex Characteristics, Meat, Iron, Muscles, Infant, 550 - Earth sciences, Iron Isotopes, Intestinal Absorption, Liver, Reference Values, Animals, Humans, Female, Child, Food Analysis, Iron, Dietary
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