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Packaging made from recycled paper and board : evaluation of the suitability for direct food contact (CROSBI ID 585242)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Jamnicki, Sonja ; Lozo, Branka ; Rutar, Vera Packaging made from recycled paper and board : evaluation of the suitability for direct food contact // Proceedings of the 2nd International Joint Conference on Environmental and Light Industry Technologies / Borbély, Ákos (ur.). Budimpešta : New York: Rejtõ Sándor Faculty of Light Industry and Environmental Engineering, Óbuda University, 2011. str. 115-124

Podaci o odgovornosti

Jamnicki, Sonja ; Lozo, Branka ; Rutar, Vera

engleski

Packaging made from recycled paper and board : evaluation of the suitability for direct food contact

This paper deals with safety issues of the recycled-fibre based materials and their suitability for direct food contact. The evaluation of food contact suitability was conducted on two recycled paper samples commonly used as integral parts of corrugated container, such as pizza packaging containerboard. The white top testliner sample and the fluting sample were obtained from industry. Since the majority of fibres in the examined materials were produced by recycling processes in which only the mechanical cleaning methods were used (with slight exception of the white top ply of testliner sample for which the deinked pulp was used), these samples were subjected to additional chemical cleaning by means of laboratory deinking flotation. The aim of this experiment was to evaluate the possible decrease in the amount of chemical contaminants in the composition of pulp after chemical deinking flotation had been conducted. Food contact analyses were done on the original paper samples and the deinked pulp handsheets made after deinking flotation. Food contact analyses comprised determination of heavy metals (Cd, Pb, Hg), primary aromatic amines, diisopropylnaphthalenes (DIPN), phthalates and polychlorinated biphenyls (PCB) from aqueous or organic solvent extracts of paper samples. The fastness of the fluorescent whitening agents was determined as well. It was found that all of the investigated contaminants were below the maximum limit of concentration proposed for these compounds by the European legislation. Furthermore, applied deinking flotation on the white testliner and fluting samples had a positive impact on the reduction of chemical contaminants from the fibre suspension.

food packaging; health safety; recycled fibres; chemical deinking flotation; reduction of contaminants

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Podaci o prilogu

115-124.

2011.

objavljeno

Podaci o matičnoj publikaciji

Proceedings of the 2nd International Joint Conference on Environmental and Light Industry Technologies

Borbély, Ákos

Budimpešta : New York: Rejtõ Sándor Faculty of Light Industry and Environmental Engineering, Óbuda University

978-615-5018-23-7

Podaci o skupu

International Joint Conference on Environmental and Light Industry Technologies (2 ; 2011)

predavanje

21.11.2011-22.11.2011

Budimpešta, Mađarska

Povezanost rada

Grafička tehnologija