Lipids - Main Points - Phospholipids: 1 glycerol molecule +...

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A P Brown FSHN 130: Summer 2007 Lipids – Main Points Hydrophobic molecules  3 types       phospholipids –  membranes   sterols – cholesterol,  hormones Fatty acid chain = main unit  carbon chain with  omega-  end and  alpha-  end   Number carbon=carbon double bond(s) saturated fat (0) monounsaturated fat (1) polyunsaturated fat (2+)    Double bond changes property of lipid (i.e. solid  vs  liquid) Nomenclature   e.g.  linolenic acid (18:3) Structure  Cis-   vs   Trans-  fatty acid Structure Triglycerides:1 glycerol molecule + 3 FAs 
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Unformatted text preview: Phospholipids: 1 glycerol molecule + 2 FAs +phosphate Sterol: ring structure +/- FA Function Triglycerides:energy; protection; fat soluble vitamins Phospholipids: membrane; digestion Sterols: hormones; cholesterol Absorption bloodstream; lymphatic system A P Brown FSHN 130: Summer 2007 Lipoproteins chylomicron; VLDL; LDL; HDL Lipoproteins & Health LDL = bad; HDL = good Lipids in Diet emphasize unsaturated fats; limit saturated fat...
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Lipids - Main Points - Phospholipids: 1 glycerol molecule +...

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