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An unsaturated fat is a fat or fatty acid in which there is at least one double bond within the fatty acid chain. A fatty acid chain is monounsaturated if it contains one double bond, and polyunsaturated if it contains more than one double bond. A saturated fat has no carbon-to-carbon double bonds, so the maximum possible number of hydrogen is ...
In biochemistry and nutrition, a polyunsaturated fat is a fat that contains a polyunsaturated fatty acid (abbreviated PUFA), which is a subclass of fatty acid characterized by a backbone with two or more carbon–carbon double bonds. [1][2] Some polyunsaturated fatty acids are essentials. Polyunsaturated fatty acids are precursors to and are ...
Elaidic acid. Elaidic acid has 18 carbons and is a trans -9-mono-unsaturated fatty acid. It is also a trans isomer of oleic acid. C 17 H 33 CO 2 H, IUPAC organization name (E)-octadec-9-enoic acid, numerical representation 18:1 (9), n-9, molecular weight 282.46, melting point 43–45 °C. CAS Registry Number 112-79-8.
Unsaturated fats are typically oils, including seed oils, and can be polyunsaturated or monounsaturated. Polyunsaturated fats include omega-3 fatty acids and omega-6 fatty acids.
Other animal products, like pork, poultry, eggs, and seafood have mostly unsaturated fats. Industrialized baked goods may use fats with high unsaturated fat contents as well, especially those containing partially hydrogenated oils, and processed foods that are deep-fried in hydrogenated oil are high in saturated fat content. [46] [47] [48]
According to the joint statement, in adults, 15–30% of daily calories should come from fats, primarily unsaturated fatty acids, such as those named above.
A serving (about ¼ cup) of flaxseeds has 170 calories, 11 grams of fat, 2.5 grams of unsaturated fat, 8 grams of filling fiber, and 6 grams of protein. To absorb more of the beneficial omega-3 ...
Unsaturated ones are typically bent, unless they have a trans configuration. In chemistry, particularly in biochemistry, a fatty acid is a carboxylic acid with an aliphatic chain, which is either saturated or unsaturated. Most naturally occurring fatty acids have an unbranched chain of an even number of carbon atoms, from 4 to 28. [1]