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THE FATS, AND NOTHING BUT THE FATS. Fats are organic compounds composed of carbon, hydrogen and oxygen. Fats belong to the lipid family, comprised of triglycerides (fats and oils), sterols, and phospholipids. Triglycerides make up the largest percentage in both the body and in food.

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the fats and nothing but the fats
THE FATS, AND NOTHING BUT THE FATS
  • Fats are organic compounds composed of carbon, hydrogen and oxygen.
          • Fats belong to the lipid family, comprised of triglycerides (fats and oils), sterols, and phospholipids. Triglycerides make up the largest percentage in both the body and in food.
  • Our bodies produce many types of lipids: cholesterol, triglycerides, phospholipids, and oils.
  • Fats are a nutrient, a source of energy for the body, all types providing 9 calories per gram (proteins and carbohydrates provide 4 calories per gram).
  • Dietary fats provide essential fatty acids required by, but not produced by, the body.
  • Fats are hydrophobic; they are not water soluble (lipophilic).
  • There are three primary classifications of fats: saturated (includes trans fats), monounsaturated, and polyunsaturated.
  • Dietary fat is stored for energy; it supplies about 60% of the body’s ongoing
  • energy needs during rest.
  • Complete fat metabolism requires protein or carbohydrates.
primary fat groups click below to meet the fats
PRIMARY FAT GROUPSClick below to Meet the Fats!

http://www.heart.org/HEARTORG/GettingHealthy/FatsAndOils/MeettheFats/The-Bad-Fats-Brothers_UCM_305102_Article.jsp

THE BAD FATS

Saturated fats

Trans fats

  • Both elevate LDL cholesterol and triglycerides.
  • Both increase risk of heart disease.
  • They mostly are found in animal products.
  • Trans fats are saturated fats that have been partially hydrogenated.
  • Trans fats are frequently found in baked goods.
  • Both are usually solid at room temperature.
  • They should make up no more than 10% daily caloric intake; trans fats should be consumed as little as possible.
  • Trans fats have been linked to infertility.
primary fat groups click below to meet the fats1
PRIMARY FAT GROUPSClick below to Meet the Fats!

http://www.heart.org/HEARTORG/GettingHealthy/FatsAndOils/MeettheFats/The-Better-Fats-Sisters_UCM_305103_Article.jsp

THE GOOD FATS

Monounsaturated fats…

Polyunsaturated fats…

  • decrease risk of heart disease
  • lower serum cholesterol and triglycerides
  • are usually plant products
  • also found in nuts and Omega-3 rich fish
  • Are usually liquid at room temperature
  • Should predominate total daily fat intake
  • Help prevent blood clots, protect against irregular heartbeats, and reduce blood pressure
dietary sources for bad fats saturated fats and trans fats
DIETARY SOURCES FOR BAD FATS(SATURATED FATS AND TRANS FATS)
  • Animal products including dairy products—cream, whole milk, butter, ice cream
  • Meats—fatty beef, poultry skin, dark poultry meat, organ meats of any kind
  • Partially hydrogenated oils, margarine, shortening
  • Baked goods—pastries, cakes, piecrust, doughnuts, cookies, anything prepared with butter or margarine
  • Chips, fried snacks
  • *Exceptions: Coconut and palm oils are saturated fats, but have beneficial effects similar to unsaturated fats once in the body
dietary sources of good fats monounsaturated and polyunsaturated fats
DIETARY SOURCES OF GOOD FATS(MONOUNSATURATED AND POLYUNSATURATED FATS)

Monounsaturated oils come from sources like olive oil and canola oil, avocados

Polyunsaturated fats include fatty fish such as salmon or mackerel, sunflower oil, corn or soybean oil, sesame oil, nuts, and seeds.

switching to good fats
SWITCHING TO GOOD FATS

Remember, it is important to limit your fat intake. More importantly, you should make sure that the fats you DO consume are beneficial. Sometimes, more fat is better, if it is the right kind! Make every effort to switch from bad fats to good fats.

effects of fats on health
EFFECTS OF FATS ON HEALTH

GOOD EFFECTS

  • Fats provide essential fatty acids necessary to maintain normal body function
  • Fats help control inflammation
  • Fats aid in normal brain function
  • Fats are necessary for the utilization of fat-soluble vitamins A, D, E, and K
  • Monounsaturated and polyunsaturated fats are most effective dietary tool to fight heart disease
  • Polyunsaturated fats help lower serum cholesterol
health effects of fats
HEALTH EFFECTS OF FATS

BAD EFFECTS

  • Saturated fats clog arteries, leading to atherosclerosis
  • Saturated fats and trans fats raise serum LDL cholesterol
  • Dietary fat seems to promote some existing cancers
  • Deficiencies of fats can cause hormonal dysfunction, heart dysrythmias, dry or dull skin and hair, vitamin deficiencies, poor blood clotting ability
health recommendations
HEALTH RECOMMENDATIONS
  • Make fats less than 30% of your daily caloric intake. In a 2000 calorie/day diet, that would be less than 600 calories, and preferably <25%, or <500 calories.
  • Use plant oils for cooking and baking, such as canola or olive oil. Substitute good fats for bad fats.
  • Completely eliminate trans fats. Learn how to recognize them in food labels, and avoid eating baked goods like biscuits, or fried foods in restaurants.
  • Switch from butter to soft margarine, avoiding brands with partially hydrogenated oils.
  • Include at least one source of omega-3 and omega 6 fatty acids a day (forms of polyunsaturated fats), such as fish or walnuts.
  • Stay with lean meats and low-fat dairy products.
summary
SUMMARY

Fats are an important part of our daily diet. Our bodies are capable of manufacturing most of the fats we need. There are some, however, that must be supplied by food. The secret to good health lies in consuming a limited amount of fats in the right combination to best meet our nutritional

needs. Like everything else involving our bodies, consumption of fats requires balance. If we eat too much, we gain weight and/or have health problems. If we eat too little, we become malnourished, our immune system weakens, we experience hormonal imbalances and heart rhythm irregularities, and vitamin deficiencies. A balanced diet with whole grains, vegetables, fruits, proteins, dairy, and fats, combined with regular exercise, is the best program to follow for a healthy lifestyle.

questions
QUESTIONS

Which are considered good fats: saturated or polyunsaturated fats?

Cheese is high in saturated fats. True or False

What are the Fats Brothers and Fats Sisters names?

What is the percentage of fats that should make up our daily caloric intake?

5) How many calories are in 1 Gm of saturated fat? In 1 Gm of polyunsaturated fat?

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RESOURCES

  • American Heart Association Meet the Fats. (2010, May 28). Retrieved June 10, 2010, from heart.org/HEARTORG: http://heart.org/HEARTORG/GettingHealthy.FatsAndOils/MeettheFats/Meet-the-Fats_UCM_304495_Article.jsp
  • Friendly Fats--and Fiendish Ones. (2010, June 10). Retrieved June 13, 2010, from CBS News: http://www.cbsnews.com/stories/2010/06/10/earlyshow/health/main65619.shtml
  • Health Guide, Fat. (2010, June 13). Retrieved June 13, 2010, from New York Times.com: http://health.nytimes.com/health/guides/nutrition/fat/overview.html
  • Whitney, E. a. (2005). Understanding Nutrition. In W. a. Rady, Understanding Nutrition (pp. 141-169). Belmont, CA: Thomson Wadsworth.
  • The Nutrition Source, Fats and Cholesterol, The Bottom Line. (2010, June 19). Retrieved June 20, 2010, from Harvard School of Public Health: http://www.hsph.harvard.edu/nutritionsource/what-should-you-eat/fats-and-cholesterol/index.html
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