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Isotopic and elemental characterisation of Slovenian apple juice according to geographical origin: Preliminary results
Nives Ogrinc, Peter Kump, Ines Mulič, Branka Mozetič Vodopivec, Darja Mazej, Klemen Eler, Karmen Bizjak Bat, 2016, original scientific article

Abstract: This study examined the applicability of stable isotope and multi-element data for determining the geographical origin of fresh apple juices. Samples included three apple cultivars (Idared, Golden Delicious and Topaz) harvested in 2011 and 2012 from five different geographical regions of Slovenia. Regional discrimination of the juice samples was most successful when using linear discriminant analysis (LDA) and taking into account the following parameters: d2H and d18O content of juice water; d15N and d13C content of the pulp, (D/H)I and (D/H)II in ethanol and the concentration of S, Cl, Fe, Cu, Zn and Sr. Overall prediction ability was 83.9%. The factors that best distinguished the different types of cultivar were the d2H and d18O content of fruit juice water; the d13C and (D/H)I content of ethanol; and the concentration of S, Mg, K, Cu, and Ti. Prediction ability, taking into account all ten parameters, was 75.8%.
Found in: ključnih besedah
Summary of found: ...account the following parameters: d2H and d18O content of juice water; d15N and d13C content of...
Keywords: Apple juice, Stable isotopes, Elemental content, Geographical origin, Slovenia
Published: 15.02.2016; Views: 2246; Downloads: 0
.pdf Fulltext (892,49 KB)

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