Fig. 1. Structure and naming of selected 18-carbon fatty acids (drawing by the authors).
The black arrows indicate the first double bond.
SFA = saturated fatty acid; MUFA = mono-unsaturated fatty acid; PUFA = polyunsaturated fatty acid; EFA = essential fatty acid; COOH = carboxyl group.

Ann Clin Nutr Metab 2023;15:2-7 https://doi.org/10.15747/ACNM.2023.15.1.2

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