The silicon in Brazilian groundwater
DOI:
https://doi.org/10.5902/2179460X13135Keywords:
silicon, siliceous waters. SPAs. hydrogeology. bioactivity.Abstract
http://dx.doi.org/10.5902/2179460X13135
Element present in processes since the Earth formation, silicon is the most abundant and dispersed solid in the crustal environment. Its occurrence in geosphere, even in low concentrations, is fundamental in geological, hydrological and biological processes. The mineral waters often contain silicon in its bioavailable form of proven benefits for human health. The Brazilian legislation does not classify siliceous waters and little hydrochemical studies focus their potential application to human health, thus, this paper aims to increase this knowledge. For this purpose, it was performed a large bibliographic review of international examples about their use in medicine, hydrotherapy and nutrition, as well on the appropriate silicon contents in waters. The hydrochemical and geographical inventory allowed evaluate and compare 322 occurrences of silicon in groundwater in the country, with each other and with examples from other countries. The intersection between the two sets of information permitted to infer that the siliceous waters are benefit to tissues and osseous structures of living beings, as well as in Al toxicity prevention. The anomalously high Si levels reported in the database and the hydrochemical and hydrogeological correlations equivalent to the bibliography consulted have indicated great potential of utilization of these hydric resources in Brazil.Downloads
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