NUTR 207 Lecture Notes - Lecture 4: Short-Chain Fatty Acid, Essential Fatty Acid, Olive Oil
26 Feb 2019
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No more than 30% of total daily calories ( should be unsaturated) 3 fatty acids, one glycerol (common form of fat)--> condensation rxn links them. Made up of 98% of all fat found in food. Transport fat soluble vitamins (ex: a,d,e,k) b) Ex: lecithin- made in liver, and is part of all cell membranes c) Fatty acids are referred to by numeric representation ex. First number means # of carbons and second number means # of double bonds foun the hydrocarbon chain. Delta refers to counting carbons from the carboxyl end; it identifies the corresponding c where the double bonds is/are located ex. Length of the fatty acid and degree of unsaturation influence its solubility and melting p shorter fa more water-soluble than longer ones. The greater the # of double bonds the greater the polarity of a fa and its solubility in w.
