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Unformatted text preview: Triacylglycerols are most abundant lipids. They yield more energy than carbs [twice as much per gram]. A moleculre of it consists of glycerol joined to three fatty acids. Glycerol is a three-carbon alcohol that contains three hydroxyl groups, fatty acid is a long, unbranched hydrocarbon chain with a carboxyl group at one end. Ester linkage is a convalent linkage formed by three condensation reactins; each reaction removes a water molecule and glycerol’s hydroxyl groups react with carboxyl group of fatty acid. First reaction yelds a monoacylglycerol; the second, a diacylglycerol; and the third, a triacylglycerol. During digestion, they are hydrolyzed to produce fatty acids and glycerol. Fatty acids are found in lipids and have even number of carbon atoms....
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- Fall '09
- Fatty Acids, ketone