Lipids make up cell membranes phospholipids keep

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Lipids make up cell membranes - Phospholipids keep membranes fluid (animals only) - Regulation of body processes - Need lipids for things like: - Vitamin absorption (A,D,E,K) - Making hormones ( e.g. sex hormones) - Blood pressure regulation - As a building block to make other fats - Regulating blood clotting - Hormones are important regulators - ATP production for energy - 1g of fat provides 9 kcal of energy - High fat foods have high energy content - Cells burn fat at rest and during exercise - Energy storage - Triglycerides stored in adipose tissue(fat cells) - Stored fat gives you energy reserves - Keeps you from starving - Fatty acids used for energy when carbs are not present Body Shapes - Apple: Most weight is above the waist - Pear: Most weight is below the waist How Much Fat is 20-35% - For a 2000 kcal diet 44-78g of fat - 5g from 1 cup 2% milk - 1g from a bagel - 15g from 2 tbsp. Peanut butter - 15g from a sandwich - 30g from 2 slices of pizza find more resources at oneclass.com find more resources at oneclass.com
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- 2 cups of poutine - Large poutine at NYF is 57g of fat Weight Pattern & Disease Risk - Excess body fat in apple body shape associated with higher risk of: - High blood pressure - Type 2 diabetes - Heart disease - Stroke Essential Fatty Acids - Linoleic Acid (omega-6) - 18:2 w-6 - Alpha (a) Linolenic Acid (omega-3) - 18:3 w-3 - Necessary for: - Regulating blood clotting - Regulating inflammation - Normal brain development - Omega-3’s reduces inflammation - Omega-3’s linked to brain health How Do we Get Essential Fats? - Linoleic Acid - Oils, margarine, nuts and seeds - Alpha Linoleic Acid - Canola, flax, soy, fatty fish, omega eggs How Much Fat Do We Need? - DRIs have _ for: - Linoleic Acid - Alpha-Linolenic Acid - AIs based on how much essential fats you need to keep clotting etc. under control - For a healthy adult, use the AMDR for fat- 20-35% of calories from fat Recommendations for Different Types of Fat - AMDR state that for cholesterol, saturated fat and trans fat: - As low as possible while consuming a nutritionally adequate diet find more resources at oneclass.com find more resources at oneclass.com
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