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    Biol Trace Elem Res. 2007 Aug;118(2):104-10.

    Comparative bioavailability of mineral-enriched gluconates and yeast in rat liver after depletion-repletion feeding.

    Source

    Department of Chemistry, University of Scranton, Scranton, PA 18510, USA.

    Abstract

    There are many forms of mineral supplements currently available. Among these mineral-enriched gluconates and yeast are considered two of the more biologically available supplements. The purpose of this study was to use zinc (Zn)- or copper (Cu)-deficient rats to determine whether the organically bound mineral in yeast or the salt gluconate form was more bioavailable, i.e., is absorbed and found in a greater concentration in liver. It was demonstrated that Zn-enriched yeast was 3.7 times more bioavailable than the Zn gluconate and that Cu-enriched yeast was 1.4 times more bioavailable than the Cu gluconate.

    PMID:
    17873352
    [PubMed - indexed for MEDLINE]

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