unsaturated fats

Science Dictionary
unsaturated fat  
A triglyceride fat containing at least one unsaturated fatty acid. Fats derived from plants are often unsaturated fats. Eating foods high in unsaturated fats can reduce the amount of cholesterol in the blood. Compare saturated fat.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Cultural Dictionary

unsaturated fats definition


A kind of fat in which one or more pairs of electrons in the atoms making up the fat molecule form a bond with a pair of electrons from another atom (a double bond). There are two kinds of unsaturated fats: monounsaturated, which contain one double bond; and polyunsaturated, which contain two or more double bonds. Monounsaturated fats are found in peanuts, peanut butter, olives, and avocados. Polyunsaturated fats, which are usually liquid at room temperature, are found in oils such as corn, sunflower, and soybean.

Note: Unsaturated fats are generally regarded to be healthier in the diet than saturated fats because they may help lower the level of cholesterol in the blood.
The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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