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Title:Isotopic and elemental characterisation of Slovenian apple juice according to geographical origin: Preliminary results : /
Authors:Bizjak Bat, Karmen (Author)
Eler, Klemen (Author)
Mazej, Darja (Author)
Mozetič Vodopivec, Branka (Author)
Mulič, Ines (Author)
Kump, Peter (Author)
Ogrinc, Nives (Author)
Files:This document has no files. This document may have a phisical copy in the library of the organization, check the status via COBISS. Link is opened in a new window
Language:English
Work type:Not categorized (r6)
Tipology:1.01 - Original Scientific Article
Organization:UNG - University of Nova Gorica
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%.
Keywords:Apple juice, Stable isotopes, Elemental content, Geographical origin, Slovenia
Year of publishing:2016
Number of pages:86-94
Numbering:203, 2016
COBISS_ID:4143099  Link is opened in a new window
URN:URN:SI:UNG:REP:X0FSXPRN
DOI:10.1016/j.foodchem.2016.02.039 Link is opened in a new window
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Record is a part of a journal

Title:Food Chemistry
Shortened title:Food Chem
Publisher:Elsevier
ISSN:0308-8146

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