Overconsumption of Omega-6 Polyunsaturated Fatty Acids (PUFAs) versus Deficiency of Omega-3 PUFAs in Modern-Day Diets: The Disturbing Factor for Their “Balanced Antagonistic Metabolic Functions” in the Human Body

Figure 2

The chemical structure of linoleic acid (LA, 18:2n-6 or 18:2^Δ9,12) and its two alternative systematic nomenclature. LA contains 2 double bonds, or desaturations, at the Δ9 and Δ12 carbon positions from the carboxyl (Δ terminus) or at the n-6 and n-9 carbon positions counted from the methyl (-n) end [27].