What Is Elaidic Acid (18:1 t) & What Foods Can I Find It In?

3D-model of Elaidic acid (18:1 t) (src)

Elaidic acid, 18:1 t, is a monounsaturated trans fatty acid. It is the trans-isomer of oleic acid, 18:1.

Elaidic acid is believed to have an impact on raising LDL and lowering HDL cholesterol.

Table of Contents

trans-Isomer Of Oleic Acid

Elaidic acid is a member of the omega-9 family of fatty acids, which includes both saturated and unsaturated fatty acids.

Elaidic acid is the trans-isomer, 18-carbon form of oleic acid (18:1). (source )

Elaidic acid and other fatty acids are components of the phospholipids of cell membranes and are precursors of eicosanoids.

Elaidic acid is involved in the regulation of cellular growth and differentiation.

Elaidic Acid In Fat And Oils

Elaidic acid is the major trans-fat found in hydrogenated vegetable oils.(source )

A study conducted in the US found that the consumption of hydrogenated vegetable oil is associated with an increased risk of coronary heart disease.

The same study also indicated that the intake of margarine and butter was associated with a decrease in coronary heart disease risk.

Elaidic Acid is also found naturally

Elaidic acid is naturally present in ruminant fat, meat, and dairy products and is the major component of fats and in oils obtained from coconut, palm, and palm kernel. (source )

Foods You Can Find Elaidic Acid (18:1 t) In

You find Elaidic Acid (18:1 t) mostly in fats and oil products.

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 Elaidic Acid (18:1 t) we recommend you visit our tool.

Here's our top-ranked list of foods that contain Elaidic Acid (18:1 t).

Sara Niemelä

co-founder Care Omnia, Head Content Creator

Author Image of Sara Niemelä

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.