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Related Experiment Videos

Migration studies from paper and board food packaging materials. 1. Compositional analysis

L Castle1, C P Offen, M J Baxter

  • 1Ministry of Agriculture, Fisheries and Food, CSL Food Science Laboratory, Colney, Norwich, UK.

Food Additives and Contaminants
|January 1, 1997
PubMed
Summary

This study analyzed 32 food contact paper and board materials for chemical migration. While most identified chemicals were below 1 mg/kg, concerning levels of lead and chromium were detected in some paper products.

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Area of Science:

  • Food safety analysis
  • Chemical migration studies
  • Paper and board material characterization

Background:

  • Paper and board are widely used for food packaging.
  • Chemicals in these materials can potentially migrate into food.
  • Understanding migration is crucial for consumer safety.

Purpose of the Study:

  • To survey chemical composition of food contact paper and board materials.
  • To identify chemicals with potential for migration into various food types.
  • To quantify levels of specific organic and inorganic contaminants.

Main Methods:

  • Analysis of 32 paper and board samples using headspace gas chromatography-mass spectrometry (GC-MS).
  • Extraction with water, ethanol, and chloroform followed by GC-MS and high-performance liquid chromatography (HPLC).

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  • Multi-element screening using inductively coupled plasma mass spectrometry (ICP-MS).

    • Main Results:

    • Numerous volatile substances, primarily alkyl and aryl aldehydes, were identified.
    • Organic compounds such as BHT, benzophenone, and abietic acid were detected, generally below 1 mg/kg.
    • Lead and chromium were found in multiple samples, with lead detected in nine out of ten samples.

    Conclusions:

    • Paper and board materials contain a range of chemicals that can migrate.
    • While most organic contaminants were at low levels, inorganic elements like lead and chromium warrant attention.
    • Further risk assessment is needed for specific applications and food types.