Abstract
A method is described for determining the furan-oid fatty acids F1-F6 in cod liver oil using squalane as an internal standard added prior to isolation of the F esters by silver ion chromatography (Ag+ TLC) and urea crystallization. The F acids amount to about 1% of the oil and can be determined with an accuracy of ± 15%. There is no significant change in the amount of F acids after refining.
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References
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Scrimgeour, C.M. Quantitative analysis of furanoid fatty acids in crude and refined cod liver oil. J Am Oil Chem Soc 54, 210–211 (1977). https://doi.org/10.1007/BF02676277
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DOI: https://doi.org/10.1007/BF02676277