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Linoleic acid

Linoleic acid (LA), a carboxylic acid, is a polyunsaturated omega-6 fatty acid, an 18-carbon chain with two double bonds in cis configuration. A shorthand notation like “18:2 (n-6)” or “18:2 cis-9,12” may be used in literature. It typically occurs in nature as a triglyceride ester; free fatty acids are typically low in foods.
Linoleic acid belongs to one of the two essential fatty acids, which means that the human body cannot synthesize it from other food components.
The word “linoleic” derived from the Greek word linon (flax). Oleic means “of, relating to, or derived from oil of olive” or “of or relating to oleic acid” because saturating the omega-6 double bond produces oleic acid.

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