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Aluminium migration to orange juice in laminated paperboard packages
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Geosciences and Environmental Engineering.ORCID iD: 0000-0003-4505-4590
Tetra Pak Converting technologies AB.
2005 (English)In: Journal of Food Composition and Analysis, ISSN 0889-1575, E-ISSN 1096-0481, Vol. 18, no 5, p. 365-374Article in journal (Refereed) Published
Abstract [en]

The migration of aluminium (Al) from aseptic laminated paperboard packages was studied by monitoring the Al content of orange juice (plain juice, no additives) filled into such packages and stored at ambient temperature (23°C) for up to 1 year. Analytical procedure includes MW-assisted digestion of orange juice with concentrated nitric acid followed by determination of Al concentration by double-focusing sector field inductively coupled plasma mass spectrometry (ICP-SFMS). Special precautions were taken in order to reduce sample contamination at all stages of the procedure, resulting in a method detection limit of 5μg L-1. In the concentration interval typical for orange juices reconstituted from concentrate, the combined measurement uncertainty of the method was within 10% RSD. Statistical tests performed on data sets representing the storage period from 12h to 1 year revealed no time-dependent changes in Al concentration. Throughout all storage times, 3, 6, 9 and 12 months, the Al concentration is statistically undistinguishable from native concentration in the orange juice before filling into the packages.

Place, publisher, year, edition, pages
2005. Vol. 18, no 5, p. 365-374
National Category
Geochemistry
Research subject
Applied Geology
Identifiers
URN: urn:nbn:se:ltu:diva-9025DOI: 10.1016/j.jfca.2003.12.009ISI: 000227247400003Local ID: 795ded20-2d82-11dd-9c9b-000ea68e967bOAI: oai:DiVA.org:ltu-9025DiVA, id: diva2:981963
Note
Validerad; 2005; 20080529 (cira)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Rodushkin, Ilya

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