Abstract
The autoxidation of lauric, myristic, palmitic, and stearic acids, their ethyl esters, and palmitic and stearic triglycerides was investigated by means of the isothermal and nonisothermal differential scanning calorimetry methods under oxygen flow. The activation energies of oxidation of all investigated compounds were similar (106.0–134.3 kJ/mol) and did not depend on length of the carbon chain. Kinetic parameters of start of the oxidation were similar for each investigated fatty acid and ester. Esterification of carboxyl group did not interfere with the reaction rate. The study showed good agreement between isothermal and nonisothermal data.
Article PDF
Similar content being viewed by others
Avoid common mistakes on your manuscript.
References
Markley, K.S., Fatty Acids., 2nd edn., Interscience Publishers, New York 1961, part 2, pp. 1409–1411.
Garcia-Ochoa, F., A. Romero, and J. Querol, Modeling of the Thermal n-Octane Oxidation in the Liquid Phase, Ind. Eng. Chem. Res., 28,1:43–48 (1989).
Delgado, S., F. Diaz, J. Fernandez, and M. Alvarez, Oxidation of n-Paraffins in the Liquid Phase, Ind. Chem. Eng. XXIX 2:25–31 (1987).
Blaine, S., and P.E. Savage, Reaction Pathways in Lubricant Degradation. 1. Analytical Characterization of n-Hexadecane Autoxidation Products, Ind. Eng. Chem. Res., 30,4:793–798 (1991).
Blaine, S., and P.E. Savage, Reaction Pathways in Lubricant Degradation. 2. n-Hexadecane Autoxidation. Ibid.2185–2191 (1991).
Blaine, S., and P.E. Savage, Reaction Pathways in Lubricant Degradation. 3. Reaction Model for n-Hexadecane Autoxidation, Ibid.69–75 (1992).
Lauterbach, G., and W. Pritzkow, Kinetics and Regioselectivity of the Autoxidation of Normal Paraffins, J. Pract. Chem. 3,336:712–713 (1994).
Litwinienko, G., T. Kasprzycka-Guttman, and M. Studzinski, Effects of Selected Phenol Derivatives on the Autoxidation of Linolenic Acid Investigated by DSC Non-Isothermal Methods, Thermochim. Acta. 307:97–106 (1997).
Litwinienko, G., and T. Kasprzycka-Guttman, A DSC Study on Thermoxidation Kinetics of Mustard Oil, Ibid.185–191 (1998).
Kasprzycka-Guttman, T., and D. Odzeniak, Thermoanalytical Investigation of Edible Oils, Ibid.303–310 (1992).
Litwinienko, G., T. Kasprzycka-Guttman, and M. Jarosz-Jarszewska, Dynamic and Isothermal DSC Investigation of the Kinetics of Thermoxidative Decomposition of Some Edible Oils, J. Therm. Anal. 45:741–750 (1995).
Kasprzycka-Guttman, T., M. Jarosz-Jarszewska, and G. Litwinienko, Specific Heats and Kinetic Parameters of Thermo-Oxidative Decomposition of Peanut Oil, Thermochim. Acta 250:197–205 (1995).
Kowalski, B., Determination of Oxidative Stability of Edible Vegetable Oils by PDSC, Ibid.347–358 (1989).
Bamford, C.H., Comprehensive Chemical Kinetics, Elsevier, Amsterdam, 1969, Vol. 2, part 5, pp. 404.
Duffey, G.H., Physical Chemistry, McGraw-Hill Book Company Inc., 1962, pp. 421, 451.
Author information
Authors and Affiliations
Corresponding author
About this article
Cite this article
Litwinienko, G., Daniluk, A. & Kasprzycka-Guttman, T. A differential scanning calorimetry study on the oxidation of C12-C18 saturated fatty acids and their esters. J Amer Oil Chem Soc 76, 655–657 (1999). https://doi.org/10.1007/s11746-999-0156-6
Received:
Accepted:
Issue Date:
DOI: https://doi.org/10.1007/s11746-999-0156-6