lipids - Lipids Types of Lipids Fatty Acids Fats, and Oils...

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1 Lipids Types of Lipids Fatty Acids Fats, and Oils Chemical Properties of Triglycerides
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2 Types of Lipids Lipids with fatty acids Waxes Fats and oils (trigycerides) Phospholipids Sphingolipids Lipids without fatty acids Steroids
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3 Fatty Acids Long-chain carboxylic acids Insoluble in water Typically 12-18 carbon atoms (even number) Some contain double bonds corn oil contains 86% unsaturated fatty acids and 14% saturated fatty acids
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4 Saturated and Unsaturated Fatty Acids Saturated = C–C bonds Unsaturated = one or more C=C bonds COOH COOH palmitoleic acid, an unsaturated fatty acid palmitic acid, a saturated acid
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5 Structures Saturated fatty acids Fit closely in regular pattern Unsaturated fatty acids Cis double bonds COOH COOH COOH C C H H COOH cis double bond
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6 Properties of Saturated Fatty Acids Contain only single C–C bonds Closely packed Strong attractions between chains High melting points Solids at room temperature
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7 Properties of Unsaturated
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This note was uploaded on 11/09/2011 for the course CHEM 100 taught by Professor Sdfsdf during the Winter '08 term at BYU.

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lipids - Lipids Types of Lipids Fatty Acids Fats, and Oils...

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