Vanadium in foods and in human body fluids and tissues |
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Authors: | AR Byrne L Kosta |
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Affiliation: | 1. “Jo?ef Stefan” Institute Ljubljana, University of Ljubljana, Jamova 39, P.O. Box 199, 61001 Ljubljana Yugoslavia;2. Faculty of Natural Sciences and Technology, University of Ljubljana, Jamova 39, P.O. Box 39, 61000 Ljubljana Yugoslavia |
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Abstract: | Using neutron activation analysis, vanadium was analysed in a range of foods, human body fluids and tissues. On the basis of these results and those of other workers, it was concluded that daily dietary intake amounts to some tens of micrograms. Analysis of body fluids (including milk, blood and excreta) and organs and tissues provided an estimate for the total body pool of vanadium in man of about 100 μg. Vanadium was not detectable in blood and urine at the level of 0.3 ng/g, while low levels were found in muscle, fat, bone, teeth and other tissues. The relationship between dietary intake to pulmonary absorption is discussed in relation to the occurrence of vanadium in man-made air particulates. The very low levels found in milks and eggs suggest minimal vanadium requirements in growth. The findings are discussed in the light of previous results and also in relation to the possible essentiality of vanadium. |
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