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Published byMillicent Moody Modified over 9 years ago
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FATS
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Fats: an essential component of the diet needed for: energy vitamin absorption hormone production protection of vital organs Each gram of fat provides 9 Calories
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Typically solid at room temperature Found in animal sources: red meat and dairy Plant sources: coconut oil, palm oil
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LONG-CHAIN SATURATED FATTY ACIDS STEARIC ACID Named for carbon chain in their molecular structure Includes palmitic acid, lauric acid, myristic acid Raise blood cholesterol levels Also a long-chain SFA Shown to have no effect on blood cholesterol levels Found in cocoa butter, milk, meat
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High levels found in Soybean oil Corn oil Canola oil Safflower oil Nuts and seeds Fatty fish Salmon Herring
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Omega-3 and Omega-6 polyunsaturated fatty acids Body cannot add double bonds Must be consumed in the diet Balance the consumption between the two Ratio of Omega-6 to Omega-3
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OMEGA 3OMEGA 6 Linolenic acid Converted to eicosapentanoic acid (EPA) and docosahexaenoic acid (DHA) Anti-inflammatory effect Found in: flaxseed, canola oil, walnuts, salmon, cod Linoleic acid Converted to arachidonic acid Important for immune system function Pro-inflammatory effect Very prevalent in American diet: Corn oil, soybean oil, peanut oil, eggs, dairy
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Liquid at room temperature Come from plant sources Nuts and seeds Flaxseed oil, olive oil, canola oil Avocado
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Come from process of hydrogenation: converting double bond in polyunsaturated fats to a single bond Process provides foods with longer shelf life USDA now requires trans fat to be listed on Nutrition Facts label Donuts fried in hydrogenated fats were a major source of trans fats – most processors have changed their formulas to reduce trans fats in their products
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Foods labeled ‘0 grams trans fat’ may still contain trans fat Look for ‘partially hydrogenated’ oil on food labels to identify if that food product contains trans fat. For amount consumed look at serving size
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Select lean cuts of meat Select low fat dairy products Include fish or poultry in your menus Use butter and margarines sparingly Balance fat intake: vary your oils Fat composition differs between each
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Recommend no more than 30% of calories from fat in the total diet No-fat diets are unhealthy – especially for children and teens Use a variety of fats in moderation to achieve healthy balance Butter and margarines Vegetable oils Food sources (nuts, fish, flaxseed)
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