Residual Chemicals in Natural Rubber Products for Food Contact Use.

Ten meat nettings were sampled from four different suppliers in the Netherlands. These meat nettings consisted both of natural rubber and of vegetable fibres. Nitrosamines were extractable up to 2 mg x kg(-1) netting, the nitrosamine being N-nitrosodibenzylamine. The nitrosatable substances found were precursors of N-nitrosodimethylamine and N-nitrosodibenzylamine and were extracted up to 0.4 mg x kg(-1) nettings. Considering the ratio of meat netting and foodstuff, the extractable amount of nitrosamines and nitrosatable substances does not raise concern for public health. The meat nettings were also screened for other potential migrants. Extractable amounts of several alkanes, alkenes, acids, antioxidants, plasticizers and sterols were found. Several of these extracted substances are not allowed in the Netherlands, although some are authorized in other countries. Several substances, however, have not been evaluated for use in food-contact materials and therefore the possible risk to public health is unknown.

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Residual Chemicals in Silicone Rubber Products for Food Contact Use.

Kawamura

Nakajima²,

Mutsuga³

et al. 2001

Journal of the Food Hygienics Society of Japan

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The residues of additives and other chemicals in 23 kinds of silicone rubber products for food contact use, including nipples, packing and spatulas, were investigated by GC/MS. The packing and spatulas contained 80ῐ480 mg/g of BHT, 60ῐ5,830 mg/g of di(2-ethylhexyl) phthalate (DEHP), and 60ῐ80 mg/g of dibutyl phthalate, while the nipples contained no additives. All of the samples contained 15 to 20 peaks of polydimethylcyclosiloxanes. Dodecamethylcyclohexasiloxane (D6) to tetratriacomethylcycloheptadecasiloxane (D17) were confirmed, and other larger siloxanes up to pentacontamethylcyclopentacosasiloxane (D25) were estimated. A rough estimate of the total cyclosiloxane content was 3,310ῐ14,690 mg/g. They might be mainly unreacted materials or by-products, and some of them might be additives. Based on the migration test, no chemicals were released into 20 ethanol at 60ΐ for 30 min, though DEHP and the polydimethylcyclosiloxanes were released into n-heptane at 25ΐ for 60 min.

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Residual Chemicals in Natural Rubber Products for Food Contact Use.

Cited by 4 publications

References 8 publications

Non-targeted screening of chemicals migrating from paper-based food packaging by GC-Orbitrap mass spectrometry

Non-targeted screening of chemicals migrating from paper-based food packaging by GC-Orbitrap mass spectrometry

Identification of extractable substances from rubber nettings used to package meat products

Residual Chemicals in Silicone Rubber Products for Food Contact Use.

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