NFSC 100 Lecture Notes - Lecture 6: Low-Density Lipoprotein, Omega-3 Fatty Acid, Trans Fat
22 Sep 2016
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Document Summary
Natures way of condensing energy stores: insulates and protects organs. Fatty acids make it soluble in fat: serves as an emulsi er. Large molecules of interconnected rings of carbon atoms with side chains of carbon, hydrogen, and oxygen. Cholesterol: found in all animal cell membranes, nonessential, forms plaques that cause atherosclerosis. Cholesterol serves as raw material for: bile, vitamin d, steroid hormones including sex hormones. Fatty acids are classi ed by: length, number of carbon atoms, location of double bonds, organization of hydrogen around double bonds. A fatty acid carrying the maximum # of hydrogen atoms. Fatty acid with less than maximum hydrogen atoms. Arise when polyunsaturated oils are hydrogenated: advantage: control consistency and oxidation of fats, disadvantage: increase ldl. Essential for normal infant growth and development. Hormone like compounds that are made from efas and act through receptors on tissues to regulate many body responses. Omega 6 cause: in ammation, blood clotting, tumor growth.
