1. Traceability of Croatian extra virgin olive oils to the provenance soils by multielement and carbon isotope composition and chemometrics
- Author
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Mavro Lučić, Maja Jukić Špika, Nevenka Mikac, Filip Pošćić, Zed Rengel, Marija Romić, Helena Bakić Begić, Željka Fiket, Martina Furdek Turk, Niko Bačić, Renata Leder, Ivana Vladimira Petric, Branimir Urlić, Mirella Žanetić, Marko Runjić, Gabriela Vuletin Selak, Elda Vitanović, Tatjana Klepo, Jakša Rošin, and Slavko Perica
- Subjects
Inorganic Chemistry ,Interdisciplinary Natural Sciences ,Analytic Chemistry ,Environmental Science ,Traceability ,Soil ,Olive oil ,Multielement composition ,Carbon isotope ratio ,Chemometrics ,General Medicine ,Probability Theory and Statistics ,Mineralogy and Petrology ,Food Science ,Analytical Chemistry - Abstract
A capacity to determine the provenance of high- value food products is of high scientific and economic interest. With the aim to develop a tool for geographical traceability of Croatian extra virgin olive oils (EVOO), multielement composition and 13C/12C isotope ratio in EVOO as well as the geochemistry of the associated soils were analysed in samples collected from three regions along the Croatian Adriatic coast. Soil geochemistry was shown to influence the transfer and elemental composition of EVOO. The most discriminating variables to distinguish EVOO from different regions were S, Mo, Rb, Mg, Pb, Mn, Sn, K, V and δ13C. The predictive models achieved high sensitivity and specificity, especially when carbon isotope composition was added. The results suggest that interregional geographical traceability of Croatian EVOO is possible based on matching their multielement composition with that of the soils in the provenance area.
- Published
- 2023
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