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BNC: 27655 COCA: 31459

polyunsaturated

Word family 
Related topics: Chemistry, Nutrition
pol·y·un·sat·u·ra·ted /ˌpɒliʌnˈsætʃəreɪtɪd $ ˌpɑː-/ adjectiveadj  
HCDFNpolyunsaturated fats or oils come from vegetables and plants, and are considered to be better for your health than animal fats 〔脂肪或油脂〕多不饱和的 → saturated fat
—polyunsaturate /-rət/ noun [countableC]
Examples from the Corpus
polyunsaturated• Therefore, it is unlikely that the beneficial effects of the polyunsaturated diets were the result of a difference in caloric consumption.• 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.• 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.• Use polyunsaturated margarine instead of butter on most occasions. 11.• The kind to use for preference is any variety which is labelled as polyunsaturated or as high in polyunsaturates.
pol·y·un·sat·u·ra·ted adjectiveadj
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