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Formation of nitrosamines in non-ionic and anionic emulsions in the presence and absence of inhibitors.

Authors
  • Kabacoff, B L
  • Douglass, M L
  • Rosenberg, I E
  • Levan, L W
  • Punwar, J K
  • Vielhuber, S F
  • Lechner, R J
Type
Published Article
Journal
IARC scientific publications
Publication Date
Jan 01, 1984
Issue
57
Pages
347–352
Identifiers
PMID: 6533025
Source
Medline
License
Unknown

Abstract

Nitrosation of water-soluble (diethanolamine) and oil-soluble (dodecylmethylamine and dicyclohexylamine) amines in the absence and presence of inhibitors in model anionic and non-ionic emulsions was studied. Nitrosation of diethanolamine occurred at similar rates in non-ionic and anionic emulsions. Surprisingly, dodecylmethylamine and dicyclohexylamine were readily nitrosated in non-ionic emulsions, but not in anionic emulsions. Sodium bisulfite and ascorbyl palmitate were effective inhibitors, but the activity of ascorbic acid was lower. Considerably less effective were potassium sorbate, alpha-tocopherol and butylated hydroxyanisole. The results of this study will help formulators of emulsion products to minimize N-nitrosamine contamination.

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