Abstract
This article discusses the use of various measurement techniques for physico-chemical and mineralogical analyze of lime for its safe use as a food additive. Two types of samples were taken from a mine in Queretaro, Mexico, and measurements were made to determine Pb (CaO—0.0012 mg/kg, Ca(OH)2—0.0527 mg/kg), As (CaO—0.0290 mg/kg, Ca(OH)2—0.0849 mg/kg), F (under the quantification limit), and V (CaO—1.9068 mg/kg, Ca(OH)2—4.3403 mg/kg). The samples were within the safety limits for human consumption. It is suggested that similar analysis be carried out on commercially marketed lime products.
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Acknowledgments
This work was made possible with the technical assistance by Carolina Muñoz, Alicia del Real, Ofelia Pérez, Genoveva Hernández, and Francisco Rodríguez. The support from “Consejo del Sistema Nacional de Educación Tecnológica” and the “Asociación Nacional de Fabricantes de Cal” is highly appreciated.
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Galvan-Ruiz, M., Baños, L. & Rodriguez-Garcia, M.E. Lime characterization as a food additive. Sens. & Instrumen. Food Qual. 1, 169–175 (2007). https://doi.org/10.1007/s11694-007-9019-8
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DOI: https://doi.org/10.1007/s11694-007-9019-8