Lect6 Lipids

Lect6 Lipids - Outline Types of Lipids & their...

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1 Outline Types of Lipids & their functions – Fatty Acids/Triglycerides - Phospholipids - Cholesterol Uses of Fats in Foods • Contribute to smell & taste of foods • Make food tender • Concentrated energy: 9 kcal/g • Source of essential fatty acids • Carry fat-soluble vitamins Uses of Fat in the Body 1. Fuel –Main form stored energy: almost limitless –Primary fuel for muscle –Emergency fuel for illness & low kcal intake 2. Main component of cell membranes: phospholipids
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2 Uses of Fat in the body 3. Thermal insulation/brown fat 4. Pad internal organs 5. Converted to many other compounds Fatty Acids Essential Fatty Acids (EFA) Required in diet: omega-6 fatty acids : vegetable oils omega-3 fatty acids : cold water fish oil, canola, flaxseed oil Shapes of Fatty acids
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3 Essential Fatty acids Functions: 1. Cell membranes: shape of FA determines fluidity Essential Fatty Acids Endocannabinoids Question: Why do we have cell receptors for THC from Marijuana? Answer:
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This document was uploaded on 02/05/2011.

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Lect6 Lipids - Outline Types of Lipids & their...

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