Vol. 9, 2024

Environmental Chemistry

BIOGEOCHEMICAL ASPECTS OF SELECTED ELEMENTAL CONTENT IN ILEX PARAGUAYENSIS S.H FROM EASTERN PARAGUAY II BY X -RAY FLUORESCENCE

Alicia Dávalos, Peter Kump, Juan F. Facetti Masulli

Pages: 109-113

DOI: 10.37392/RapProc.2024.21

rba mate, Ilex paraguayensis, is a plant used in infusions/macerations as a “reviver”/energy and mineral supplier beverage from historical times by the ancient originary inhabitants of Paraguay, to these days, almost worldwide; in regard to the mineral content of Ilex from Paraguay few studies are known, some of them by XRF (X-Ray Fluorencence). In this work, selected non-metallic, as well as some alkaline and alkaline earth elements contents in yerba mate from eastern Paraguay were studied by XRF techniques in order to determine their eventual correlation as well as provenance. The analysis of complex spectra was performed by the AXIL software and the quantitative analysis by the QAES software. The samples indicate that Ilex paraguayensis present in the aerial parts an important contents enrichment of Si,S,Cl, Br and I, some of them considered essentials. On the other hand, except K & Rb, the other cations are well below the line of reference when normalized to Upper Crust (UC) values.
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