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Longman Dictionary of Contemporary English
polyunsaturated
adjective
EXAMPLES FROM CORPUS
▪ Diets rich in polyunsaturated fatty acids enhance the phenomenon of adaptive cytoprotection and render the duodenal mucosa more resistant to acid.
▪ Either polyunsaturated fatty acids enhanced mucosal resistance or the oleic acid supplement weakened the defensive mechanisms.
▪ Fats are made up of units called fatty acids - saturated, mono-unsaturated along with polyunsaturated fatty acids.
▪ For example, the redder fishes like salmon, tuna, sardines, and kippers are good sources of polyunsaturated fat.
▪ In conclusion, dietary polyunsaturated fatty acids enhance duodenal resistance to acid by potentiation of adaptive cytoprotection.
▪ The kind to use for preference is any variety which is labelled as polyunsaturated or as high in polyunsaturates.
▪ Therefore, it is unlikely that the beneficial effects of the polyunsaturated diets were the result of a difference in caloric consumption.
▪ Use polyunsaturated margarine instead of butter on most occasions. 11.
Douglas Harper's Etymology Dictionary
polyunsaturated

1921, from poly- + unsaturated.

Wiktionary
polyunsaturated

a. (context chemistry English) of, or relating to long chain organic compounds that have multiple double bonds; polyunsaturated fatty acids are essential to human nutrition

WordNet
polyunsaturated

adj. (of long-chain carbon compounds especially fats) having many unsaturated bonds

Wikipedia

Usage examples of "polyunsaturated".

This is because most red meat in this country is also very fatty, containing high percentages of a certain Omega-6 polyunsaturated fatty acid known as arachidonic acid.

There are some very preliminary studies questioning whether polyunsaturated fats might be linked to the onset of certain cancers.

With each succeeding edition of his books, Montignac put more stress on the difference between bad lipids and good lipids, between saturated, polyunsaturated, and monounsaturated fats, not for losing more weight but for keeping your heart healthy.

For at least two years now, polyunsaturated oils like soybean and safflower have been considered dangerous compared with monounsaturated oils like olive and canola.

But even with polyunsaturated spread, the Shakespeare continued unabated.

With each succeeding edition of his books, Montignac put more stress on the difference between bad lipids and good lipids, between saturated, polyunsaturated, and monounsaturated fats, not for losing more weight but for keeping your heart healthy.

For at least two years now, polyunsaturated oils like soybean and safflower have been considered dangerous compared with monounsaturated oils like olive and canola.

They are slippery and will not clog arteries like the sticky straight-shaped saturated fats and the trans-fatty acids in cooking oils and shortenings that are made by subjecting polyunsaturated oils like LA and LNA to high temperatures during the refining process.