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[mass noun] A polyunsaturated fatty acid present as a glyceride in linseed oil and other oils and essential in the human diet.
- ‘This recommendation is based on three studies showing that two essential fatty acids, linoleic acid and linolenic acid, may promote the progression of prostate-tumor growth.’
- ‘Dietary fat is the body's only means of getting two essential fatty acids - linoleic acid and alpha linolenic acid - which together assist in immune system maintenance and hormone production.’
- ‘The essential fatty acid linoleic acid is also included in the intercellular lipid complex.’
- ‘Surprisingly, perhaps, the polyunsaturated fatty acids, linoleic acid and arachadonic acid, appeared to be higher in absolute terms.’
- ‘Unsaturated fats and oils containing high levels of linoleic acid, a polyunsaturated fatty acid, have been regarded as specifically beneficial to the cardiovascular system in contrast to saturated fats.’
Mid 19th century: from Latin linum flax + oleic acid.
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