trans-fatty acid









trans-fatty acid


trans-fatty acid or trans fat·ty ac·id [trans-fat-ee] Word Origin

  1. an unsaturated fatty acid formed by the partial hydrogenation of vegetable oil, believed to raise blood cholesterol levels.

Origin of trans-fatty acid 1975–80; trans- (in the chemistry sense) + fatty acid British Dictionary definitions for trans fatty acid trans-fatty acid trans fat noun

  1. a polyunsaturated fatty acid that has been converted from the cis-form by hydrogenation: used in the manufacture of margarine

trans fatty acid in Science trans fatty acid

  1. A fatty acid that is commonly produced by the partial hydrogenation of the unsaturated fatty acid vegetable oils. Trans fatty acids are present in hardened vegetable oils, most margarines, commercial baked foods, and many fried foods. An excess of these fats in the diet raises lipid levels in the blood. The term trans refers to the opposed positioning of hydrogen atoms when unsaturated fats are partially hydrogenated.

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