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. 1968 Jul;3(4):313-6.
doi: 10.1007/BF02530930.

The 9-hexadecenoic and 11-octadecenoic acid content of natural fats and oils

D F Kuemmel  1 , L R Chapman
Affiliations

The 9-hexadecenoic and 11-octadecenoic acid content of natural fats and oils

D F Kuemmel et al. Lipids. 1968 Jul.

Abstract

The monoenoic methyl esters from numerous fats and oils which contained appreciablecis-9-hexadecenoic acid (cis-9-16ratio1) were isolated by liquid-solid chromatography on silver nitrate-silica gel. Analysis of the monoenes by packed and capillary column gas-liquid chromatography showed that significant amounts ofcis-11-octadecenoic acid (cis-11-18ratio1) were present in all samples. The amount ofcis-11-18ratio1 found in the monoenoic methyl esters increased proportionally to logarithmic increases in thecis-9-16ratio1 level. Most analyses reported in the literature also show this proportionality. This mathematical relationship suggests that chain elongation ofcis-9-16ratio1 tocis-11-18ratio1 is a biosynthetic pathway operative in a wide variety of species.

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References

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