LIPIDS-outline spr2008 - LIPIDS Functions 9 kcals/gram-high...

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LIPIDS Functions 9 kcals/gram-high energy Cell membranes-lipid bilayers-needed for the structure and upkeep Signal molecules “second messengers” A vehicle for food soluble vitamins (d,k,a,b) Essential fatty acid Classes-3 major classes Triglycerides Phospihod lipids Serols (cholesterol) Chemical Composition General formula: CH 3 -(CH 2 ) n - COOH Omega – C <methyl group> Alpha- C <carboxyl group> methyl group carboxyl group saturated unsaturated: MUFA, PUFA, HUFA Omega 3 fatty acids Peroxidation definition prevention (storage, antioxidants, hydrogenation) PHVO (partially hydrogenated vegetable oils) and trans fatty acids Essential Fatty Acids (EFAs) Phospholipids Introduction 5 Fates of Cholesterol Fat Digestion:
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LIPIDS-outline spr2008 - LIPIDS Functions 9 kcals/gram-high...

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