Abstract
The interactions of VO2+ with phytate to form both soluble and insoluble complexes, have been studied by electronic absorption spectroscopy. A soluble 1∶1 VO2+: phytate complex is formed at pH <1. At higher pH-values insoluble complexes are produced. Two different solid complexes, obtained respectively at pH=2 and 4, were isolated and characterized. The maximal bonding ratio of VO2+: phytate was found to be 4, on the basis of a pH binding profile.
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Williams, P.A.M., Baran, E.J. The interaction of the vanadyl(IV) cation with phytic acid. Biol Trace Elem Res 36, 143–150 (1993). https://doi.org/10.1007/BF02783173
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DOI: https://doi.org/10.1007/BF02783173