polyunsaturaten.adj.
/ˌpɒlɪʌnˈsatʃᵿrət/, /ˌpɒlɪʌnˈsatjᵿrət/, U.S. /ˌpɑliˌənˈsætʃ(ə)rət/ A polyunsaturated fat or fatty acid; usually in plural. Also as adj.
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the world > food and drink > food > fat or oil > [adjective] > polyunsaturated
polyunsaturated1932
polyunsaturate1950
1950 Arch. Biochem. 25 6 Polyunsaturates were also concentrated in high amounts in the liver fatty acids.
1962 Seattle Sunday Times 25 Mar. (Sunday Pictorial) 18/2 (advt.) It's a face cream that contains essential polyunsaturates. That's right—polyunsaturates, the natural elements you've been reading so much about that are so important to your health.
1962 Chicago Sun-Times 20 July 28/3 Maybe..we would be better off in the long run to reduce our costly animal fats and substitute the vegetable (polyunsaturate) fats and oils.
1974 Observer 17 Mar. (Colour Suppl.) 15/1 There are doubts..about the side-effects of the various polyunsaturate oils used.
1989 Chemist & Druggist 16 Sept. 420/2 Polyunsaturates may actually be harmful, in that they encourage the transfer of cholesterol from the blood, where it serves as a source of immediate energy, to the walls of arteries.
1993 Taste Aug. 58 (advt.) It is a well balanced oil providing both polyunsaturates and a high level of monounsaturates.
This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022).
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n.adj.1950