FDNS 2050 Study Guide - Quiz Guide: Performance-Enhancing Substance, Glycolysis, Insulin
27 Sep 2016
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3 types of fat: triglycerides, cholesterol (sterols, phospholipids. Ester or glycerol (alcohol: helps with water retention) and 3 fatty acids. Food eggs, liver, milk, ice cream (only animal products) Comparable to triglycerides glycerol, 2 fatty acids, and phosphate group. Nonessential can be made from triglycerides rarely. Provide energy needs (60% of energy use is from fat) Provide essential fat soluble vitamins (a, e, d, k) Amdr 20-35% daily energy intake (greater than 35% are not suggested) Recommend 7-10% of daily energy needs (no trans fatty acids) Omega-6 (linoleic is essential: 17g for adult men) Omega-3 (alpha-linolenic is essential: 1. 6 g for adults 9 calories per gram) Bile salts and lipases digest dietary lipids into ffa, glycerol, cholesterol, and phospholipids. Absorbed into intestinal cell to form a chylomicron. Enters lymphatic system and goes to the heart (constant energy supply needed) Some fatty acids (mcts) go directly to the liver, but most of the fat you eat is lcts.
