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Traceability of Croatian extra virgin olive oils to the provenance soils by multielement and carbon isotope composition and chemometrics

Lučić, Mavro; Jukić Špika, Maja; Mikac, Nevenka; Pošćić, Filip; Rengel, Zed; Romić, Marija; Bakić Begić, Helena; Fiket, Željka; Furdek Turk, Martina; Bačić, Niko; Leder, Renata; Petric, Ivana Vladimira; Urlić, Branimir; Žanetić, Mirella; Runjić, Marko; Vuletin Selak, Gabriela; Vitanović, Elda; Klepo, Tatjana; Rošin, Jakša; Perica, Slavko (2023) Traceability of Croatian extra virgin olive oils to the provenance soils by multielement and carbon isotope composition and chemometrics. Food Chemistry, 424 . ISSN 0308-8146

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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.

Item Type: Article
Uncontrolled Keywords: Traceability; Soil; Olive oil; Multielement composition; Carbon isotope ratio; Chemometrics
Subjects: NATURAL SCIENCES > Mathematics > Probability Theory and Statistics
NATURAL SCIENCES > Geology > Mineralogy and Petrology
NATURAL SCIENCES > Chemistry > Analytic Chemistry
NATURAL SCIENCES > Chemistry > Inorganic Chemistry
NATURAL SCIENCES > Interdisciplinary Natural Sciences
NATURAL SCIENCES > Interdisciplinary Natural Sciences > Environmental Science
Divisions: Division for Marine and Enviromental Research
Project titleProject leaderProject codeProject type
Role of soil properties and environmental conditions in elemental and isotopic composition of the olive: basis for oil geographic traceabilityPerica Slavkono 23/15UNSPECIFIED
Depositing User: Mavro Lučić
Date Deposited: 26 Jun 2023 12:59

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