Presentation Notes - Fats. Fats. Cholesterol Saturated Fats Unsaturated Fats Trans Fats

Transcription

1 Slide 1 Fats Cholesterol Saturated Fats Unsaturated Fats Trans Fats

2 Slide 2 Copyright Copyright Texas Education Agency, These Materials are copyrighted and trademarked as the property of the Texas Education Agency (TEA) and may not be reproduced without the express written permission of TEA, except under the following conditions: 1) Texas public school districts, charter schools, and Education Service Centers may reproduce and use copies of the Materials and Related Materials for the districts and schools educational use without obtaining permission from TEA. 2) Residents of the state of Texas may reproduce and use copies of the Materials and Related Materials for individual personal use only, without obtaining written permission of TEA. 3) Any portion reproduced must be reproduced in its entirety and remain unedited, unaltered and unchanged in any way. 4) No monetary charge can be made for the reproduced materials or any document containing them; however, a reasonable charge to cover only the cost of reproduction and distribution may be charged. Private entities or persons located in Texas that are not Texas public school districts, Texas Education Service Centers, or Texas charter schools or any entity, whether public or private, educational or non-educational, located outside the state of Texas MUST obtain written approval from TEA and will be required to enter into a license agreement that may involve the payment of a licensing fee or a royalty. For information contact: Office of Copyrights, Trademarks, License Agreements, and Royalties, Texas Education Agency, 1701 N. Congress Ave., Austin, TX ; phone ; copyrights@tea.state.tx.us. 2

3 Slide 3 Fats Help the body absorb vitamins A, D, E, and K Serve as an energy reserve Cushion and protect the heart and other vital organs Protect bones from injury Provide insulation and warmth Enhance the flavor and texture of foods 3

4 Slide 4 Cholesterol Help digest fat Build cells Make vitamin D and some hormones Fatty meat and poultry Egg yolks Liver and other organ meats Shrimp and squid 4 Cholesterol is a fatlike substance in cells that is needed for many body processes. Too much cholesterol is linked to heart disease.

5 Slide 5 Saturated Fats Raise the level of LDL cholesterol Fatty meat Poultry skin Whole-milk products Tropical oils Coconut oil Palm oil Palm kernel oil 5 Saturated fatty acid contains all the hydrogen it can chemically hold. LDL low-density lipoprotein takes cholesterol from the liver to wherever it is needed in the body. Excess LDL Can build up in the artery walls Increase risk of heart disease and stroke Often called bad cholesterol

6 Slide 6 Unsaturated Fats Polyunsaturated Fat May help lower cholesterol levels Vegetable oils Corn oil Soybean oil Safflower oil Seafood 6 Unsaturated fatty acids are missing hydrogen units. Liquid at room temperature

7 Slide 7 Unsaturated Fats Monounsaturated Fat Appear to lower LDL cholesterol levels Raise HDL cholesterol Olives Olive oil Avocados Nuts Peanut oil Canola oil 7 HDL high-density lipoprotein picks up excess cholesterol and take it back to the liver for excretion. Known as good cholesterol

8 Slide 8 Trans Fats Is hydrogenated Turn vegetable oil into solids Allow for longer shelf life Extra flavor Increase LDL cholesterol Shortening Margarines Salad dressings Crackers Snack foods Baked goods Fast foods Convenience foods 8 Trans fats can increase your risk of coronary heart disease. The rigid fat can collect in clumps in the bloodstream. Food producers often use hydrogenated fats to give products a longer shelf life and extra flavor.

9 Slide 9 References and Resources Textbooks: Duyff, R. L. (2010). Food, nutrition & wellness. Columbus, OH: Glencoe/McGraw-Hill. Kowtaluk, H. (2010) Food for today. Columbus, OH: Glencoe/McGraw- Hill. Weixel, S., & Wempen, F. (2010). Food & nutrition and you. Upper Saddle River, NJ: Pearson/Prentice Hall. Website: U.S. Department of Agriculture. ChooseMyPlate.gov Website. Washington, DC. Protein Foods. Accessed December,