Abstract
Headspace fractions of industrial oils produced from North Sea fish have been studied with emphasis on their sulfur-containing constituents, suspected inhibitors in the subsequent, catalytic oil hardening process. Fourteen individual, volatile sulfur compounds have been identified, accounting for virtually the total amount of such compounds in the volatile fraction. Sulfides, linear and cyclic di- and polysulfides, and a homologous series of methyl thiolesters, together make up the chemical patterns. Gas chromatography combined with mass spectrometry revealed a complex, but surprisingly constant pattern of the total, volatile fractions of several North Sea fish oils. About 100 individual compounds, including those containing sulfur, have been fully or partly identified. The structural characteristics and possible origin of the various types of compounds are discussed briefly.
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Christensen, B.W., Kjær, A. & Madsen, J.Ø. Volatile sulfur compounds and other headspace constituents of north sea fish oils. J Am Oil Chem Soc 58, 1053–1057 (1981). https://doi.org/10.1007/BF02679325
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DOI: https://doi.org/10.1007/BF02679325