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Cereal Chem 58:127 - 129.  |  VIEW ARTICLE
Bioavailability of Iron, Magnesium, Zinc, and Calcium in Commercially Produced Citrate Phosphate Complexes.

G. S. Ranhotra, C. Lee, J. A. Gelroth, G. L. Winterringer, and F. A. Torrence. Copyright 1981 by the American Association of Cereal Chemists, Inc. 

The bioavailability of four minerals (Fe, Mg, Zn, and Ca) in commercially produced mineral complexes was determined by animal experimentation. For Fe, the determination was based on the standard hemoglobin depletion-repletion technique. The retention of minerals in bone (femur) was used as the test criterion to assess the bioavailability of the other three minerals. Compared to reference compounds recognized as high in "available" mineral content, the relative bioavailabilities of the four mineral complexes were found to be 101% for Fe (as Bio-Plex Fe), 88% for Mg (as Bio-Plex Mg), 84% for Zn (as Bio-Plex Zn), and 62% for Ca (as Bio-Plex Ca).

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