What Is Linelaidic Acid (18:2 t) & What Foods Can I Find It In?

Linelaidic acid is a polyunsaturated trans fatty acid.

It's a white or colorless viscous liquid.

Linelaidic acid was first extracted from linseed oil.

It is commonly found in vegetable oils.

Consumption of linelaidic acid that's been hydrogenated is associated with increased risk of coronary heart disease.

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trans-Isomer Of Linoleic Acid

18:2 t is called Linelaidic acid. It’s the trans-isomer of linoleic acid (18:2).

Isomers are compounds with identical chemical formulas, but different structures.

The cis-isomer indicates that the functional groups are on the same side of the carbon chain, while the trans-isomer indicates that functional groups are on opposing sides of the carbon chain. (source )

Linelaidic Acid In Plants

Linelaidic acid was first extracted from linseed oil.

Linelaidic acid is also found in other plant oils, such as palm oil, cottonseed oil, rape seed oil, and walnut oil.

Linelaidic Acid In Hydrogenated Vegetable Oils

It is found in partially hydrogenated vegetable oils. Their presence is linked to heart diseases. (source )

Trans fatty acids are formed when vegetable oils undergo the partial hydrogenation process to produce margarines and shortenings. There is evidence that intake of trans fatty acids increases the risk of coronary heart disease, CHD. source

Research-backed benefits and side-effects of linelaidic acid can you find in Linelaidic Acid (18:2 t): One Research-Backed Benefit & One Side-Effect

Other Uses Of Linelaidic Acid

Linelaidic acid is used in cosmetics and cosmetic preparations, in particular in shampoos, shower baths, cosmetics for the skin and hair, deodorants and toothpastes.

Linelaidic acid is also used in the food industry as a natural fat replacer.

It is used in the manufacture of polyester fabrics and fiberglass products.

In the US, it is also used as a plasticizer in PVC, polycarbonate and polystyrene resins.

Foods You Can Find Linelaidic Acid (18:2 t) In

You find Linelaidic Acid (18:2 t) mostly in fats and oil, beef, pork, sausage and luncheon meats.

Examples of food sources include

Foods in our nutrition tool

You can find regularly updated top-ranked lists of foods for over 200+ nutrients in our nutrition tool.

If you are interested in what foods contain the most Linelaidic Acid (18:2 t) we recommend you visit our tool.

Here's our top-ranked list of foods that contain Linelaidic Acid (18:2 t).

Sara Niemelä

co-founder Care Omnia, Head Content Creator

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Nutrition is my passion. I've spent thousands upon thousands of hours reading, analyzing, categorizing and comparing research studies.

I’m a wife and a mother of three. I enjoy the outdoors, cooking, and spending time with my family.