Abstract
The possible role of linoleic acid as a biogenetic precursor of the furan fatty acids (F-acids) was investigated in in vivo experiments in the rat, using a C19 analogue of linoleic acid and gas chromatography-mass spectrometry. No evidence of incorporation of this compound into the F-acids was found. Using an improved analysis procedure by converting F-acids into their tetrahydrofuran derivatives (enabling a separation from the large amounts of normal fatty acids), F-acids (F3, F4 and F6) were detected in rat food, correcting earlier results.
Quantification of F-acid intake with food and excretion of furandicarboxylic acids in the urine, suggested the possibility that the F-acids are not produced de novo in the rat, but instead accumulate in tissue after nutritional intake.
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Abbreviations
- GC:
-
gas chromatography
- HPLC:
-
high performance liquid chromatography
- MS:
-
mass spectrometry
- TLC:
-
thin layer chromatography
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Gorst-Allman, C.P., Puchta, V. & Spiteller, G. Investigations of the origin of the furan fatty acids (F-acids). Lipids 23, 1032–1036 (1988). https://doi.org/10.1007/BF02535648
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DOI: https://doi.org/10.1007/BF02535648