
Polyunsaturated fatty acids (PUFAs) are fatty acids that contain more than one double bond in their backbone. This class includes many important compounds, such as essential fatty acids and those that give drying oils their characteristic property. Polyunsaturated fatty acids can be classified in various groups by their chemical structure: == Type...
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http://en.wikipedia.org/wiki/Polyunsaturated_fatty_acid

(from the article `lipid`) Fatty acids containing more than one carbon-carbon double bond (polyunsaturated fatty acids) are found in relatively minor amounts. The multiple ... ...fatty acidseither monounsaturated or polyunsaturatedLDL and total blood cholesterol are usually lowered, an effect largely attributed to the ... ...
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(PUFA) a type of unsaturated fatty acid that contains two or more double bonds. They are found in vegetable and seed oils. Polyunsaturated fatty acids in the diet can lower plasma lipid levels and thus lower serum cholesterol. However, they have been shown to lower both low-density and high-density lipoprotein levels, a...
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[
n] - an unsaturated fatty acid whose carbon chain has more than one double or triple valence bond per molecule
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http://www.webdictionary.co.uk/definition.php?query=polyunsaturated%20fatty
noun an unsaturated fatty acid whose carbon chain has more than one double or triple valence bond per molecule; found chiefly in fish and corn and soybean oil and safflower oil
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https://www.encyclo.co.uk/local/20974
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