1 Lipids Copy There is more than one kind of fat. Saturated Fat Saturated fat is an unhealthy fat that is naturally found in foods from animals such as.

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Presentation transcript:

1 Lipids Copy There is more than one kind of fat. Saturated Fat Saturated fat is an unhealthy fat that is naturally found in foods from animals such as fatty cuts of meat, poultry with the skin on and higher fat milk, cheese and yogurt. Saturated fat is also found in tropical oils, including coconut and palm kernel oils. May cause clogging of arteries (atherosclerosis), heart disease, stroke, obesity

2 Fats Copy Unsaturated Fats A re healthy fats that include Omega 3 fatty acids & Omega 6 fatty acids. Omega-3 fats are found in fatty fish such as salmon, mackerel, trout, herring and sardines. They are also found in oils and some soft margarines. Omega 6 are found in nuts and seeds. Helps with the development of the nervous system, improves circulation

3 Saturated vs Unsaturated Copy have single bonds between the carbon atoms

4 Fats Copy Hydrogenated Trans Fats Trans fat is an unhealthy fat. It is made out of liquid oil that is then changed into a solid fat. Trans fat adds texture and flavor to food. It is most often found in commercially baked goods, fried foods and processed foods like packaged salty snacks and convenience foods including frozen foods. Avoid lead to heart disease

5 Phospholipids Copy form the chief component of all cell membranes

6 Cholesterol Copy - helps stabilize all animal cell membranes - used by the body to synthesize steriod hormones such as sex hormones (testosterone, estrogen) and hormones of the adrenal cortex, Vit. D synthesis (assists with bone development), and synthesis of bile (produced by liver, breakdown of lipids)

Be a Food Sleuth Put the food in order of the most to the least amount of fat. Fat Highest Lowest Chicken nuggets, 6 pieces Cheese puffs, 32 pieces Cheeseburger, ¼ lb French fries, medium Hot dog Milkshake, medium Pepperoni pizza, 1 slice

Correct Answer Fat Highest Lowest 28 grams of fat 18 grams of fat 12 grams of fat Chicken nuggets, 6 pieces Cheese puffs, 32 pieces Cheese burger, ¼ lb French fries, medium 10 grams of fat Hot dog Pepperoni pizza, 1 slice Milkshake, medium 18 grams of fat 10 grams of fat = 4 grams of fat

7 Which types of fat are good fats? A trans and saturated fat B hydrogenated oil C unsaturated

8 How To Test For Fats Copy Two Tests 1) Sudan IV if fat is present it turns solution from pink to red 2) Translucence lipid test if light is transmitted through the brown paper, fat is present