Journal of Lipid Research, Vol. 13, 491-499, July 1972
Copyright © 1972 by Lipid Research, Inc.

Natural occurrence of free fatty aldehydes in bovine cardiac muscle

John R. Gilbertson , Ronald C. Johnson , Rose A. Gelman , and Carol Buffenmyer

Department of Pharmacology and Physiology, School of Dental Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania 15213

Free fatty acids, aldehydes, alcohols, and 1-O-alkyl and alk-1-enyl glycerols were identified and quantified in lipid extracts from bovine cardiac muscle.

Although a number of components present in the free fatty aldehydes were also noted in the fatty chains in the 1-O-alk-1-enyl glycerols, a direct qualitative similarity did not exist as would be expected if the free fatty aldehydes were artifactual in origin. Also, a qualitative similarity did not exist between the fatty chains of the 1-O-alkyl and alk-1-enyl glycerols. This latter observation would suggest a mechanism other than biodehydrogenation of the alkyl ethers for the origin of the alk-1-enyl glycerols.

Free fatty aldehydes were distributed evenly between the 105,000 g supernatant and particulate fractions of cardiac muscle, while the 1-O-alk-1-enyl glycerols were associated primarily with the particulate fraction. Free fatty alcohols were noted only in the supernatant fraction, while the 1-O-alkyl glycerols were present in both fractions.

Supplementary key words 1-O-alkyl glycerols • alk-1-enyl glycerols • fatty aldehydes • fatty alcohols • thin-layer chromatography • gas-liquid chromatography • column chromatography

Submitted on October 14, 1971
Accepted on March 28, 1972

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