NUTR 3210 Lecture Notes - Lecture 6: Performance-Enhancing Substance, Hypercholesterolemia, Ketone Bodies
23 Feb 2017
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Document Summary
Chemistry of lipids allow them to be extracted from tissues with non polar solvents, i. e. ethers which extract neutral (very hydrophobic) lipids, like triglycerides: chloroform + methanol which dissolves phospholipids and neutral lipids. Lipids are source of energy, have roles in signaling and are components of membranes. Quick facts: soluble in organic solvents, wide variety of structures and functions, sources of energy and storage, building blocks of biological membranes. Most energy is found on long hydrogen portion of molecule, where little oxygen is present. 2 categories: saturated: with max # of h per c atoms only single bonds, unsaturated: have missing h atoms per c with double bonds. Can be monounsaturated (mufa) and polyunsaturated (pufa) Has two zones: hydrophobic (saturated chain, hydrophilic (fully oxidized carboxylic acid. Molecule that has both zones can range from being amphipathic to detergent-like in nature.
