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Abstract
In vitro dissolution is a major indicator of potential in vivo calcium absorption. It can be used to assess the bioavailability of Ca from different sources. The aim of this study was to analyze the in vitro dissolution of calcium carbonate from the eggshell samples collected before and after the incubation period. The samples of chicken eggshell were characterized by good dissolution, better than that of precipitated CaCO3. The dissolution of the eggshell before incubation was found to be faster than that after incubation. Good dissolution (after 30 min both types of eggshells were dissolved in over 75%) of the chicken eggshell and the presence of other valuable microelements (boron, strontium) make this biomaterial an excellent source for dietary supplements production.
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ACKNOWLEDGMENTS
The authors are grateful to Professor E. Sieradzki (Medical University of Warsaw) for scientific support. The authors would also like to thank Ms. A. Łuczak (Medical University of Warsaw) for her kind assistance and help.
