ESS 3 Lecture Notes - Lecture 10: Low-Density Lipoprotein, Atherosclerosis, American Heart Association
Document Summary
Highly unsaturated with 4 to 6 double bonds. Can also be produced from ala (alpha-linolenic acid) Keep membranes and fat in fish flexible in cold water. Dha & epa form biologically active compounds to reduce blood pressure and tendency of blood to clot. American heart association recommends 2 servings a week of omega-3 rich fish. Unclear if fish oil supplementation has same benefit. Adding hydrogen to an unsaturated fat makes it saturated (full of hydrogen) Adding hydrogen to an unsaturated fat can alter the position of the double bonds. Altering from natural cis to a trans chemical configuration. In 2006, mandatory part of nutrition facts panel. Products labeled trans fat-free must contain less than 0. 5 grams. As little as 1% of total calories from trans fat can increase risk of heart disease and stroke. Small amounts found naturally in full-fat dairy and beef. Found in commercial baked goods, packaged snacks, margarines, frozen pizzas, and fried potatoes.
