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Utilization of l-¹⁴C-Hexanoic Acid for Fatty Acid and Lipid Synthesis by Bovine Mammary Tissue

Department of Food Science, Cornell University, Ithaca, New York 14850

ABSTRACT

Cells and tissue slices from lactating bovine mammary glands incorporated sodium 1-¹⁴C-hexanoate into the homologous series of fatty acids (C4:O through C16:O) normally synthesized by this tissue. These labeled acids were mostly esterified in the triglycerides. Distribution patterns and the specific activity data suggested that some catabolism of hexanoic acid occurred in the mammary tissue before incorporation into fatty acids though evidence of direct elongation of this acid is also considered.