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Zinc Gluconate-Glycine Speciation by pH
Zinc Gluconate-Glycine Speciation by pH

Zinc gluconate with 10 moles of glycine added as flavor mask releases 20% of its zinc as Zn2+ at salivary pH 5, but no Zn2+ exists above pH 6.4.  Mainly neutrally charged zinc glycinate species exist at physiologic pH 7.4.





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