Caproleic acid: structure, properties, sources

Chemical structure of caproleic acid

Caproleic acid (10 carbon atoms) is an uncommon monounsaturated fatty acid (one cis double bond so in shorthand 10:1) member of the sub-group called medium chain fatty acids (MCFA) (from 6 to 12 carbon atoms).

Properties of caproleic acid

Caproleic Acid
Fig. 1 – Dec-9-enoic Acid

Molecular weight: 170.24872 g/mol
Molecular formula: C10H18O2
IUPAC name: dec-9-enoic acid
CAS registry number: 14436-32-9
PubChem: 61743

In purified form it is a colorless clear liquid insoluble in water with boiling point at 269-271 °C (516.2-519.8 °F; 542.15-544.15 K) at 760 mm Hg.

Other names of caproleic acid

  • 9-decenoic acid
  • delta(9)-decenoic acid
  • 10:1

Food sources of caproleic acid

It occurs as glycerol ester in animal fats like these present in milk, butter and Parmigiano.

References

Akoh C.C. and Min D.B. “Food lipids: chemistry, nutrition, and biotechnology” 3th ed. 2008

Chow Ching K. “Fatty acids in foods and their health implication” 3th ed. 2008

 

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