Myristic acid is a white waxy crystalline solid with the relative density 0.8439(80℃). The melting point is 58℃ and the boiling point is 250.5℃. It is soluble in alcohol and ether ,but insoluble in water. Fomular: CH3(CH2)12COOH. Fatty Acids are aliphatic carboxylic acid with varying hydrocarbon lengths at one end of the chain joined to terminal carboxyl (-COOH) group at the other end. This compound is a saturated fatty acid. Thus, all of the bonds except for the COOH group are saturated with hydrogen molecules. There are no double bonds. Another way of designating the molecule is 14:0, which indicates a carbon chain length of 14 and a lack of double bonds.
Myristic acid, also called tetradecanoic acid, is a common saturated fatty acid with the molecular formula CH3(CH2)12COOH. A myristate is a salt or ester of myristic acid. It is a saturated 14-carbon fatty acid occurring in most animal and vegetable fats, particularly butterfat and coconut, palm, and nutmeg oils. It is used to synthesize flavor and as an ingredient in soaps and cosmetics. The human body can produce all but two of the fatty acids it needs. These two, linoleic acid (LA) and alpha-linolenic acid (LNA), are widely distributed in plant oils. In addition, fish oils contain the longer-chain omega-3 fatty acids eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA). Since they cannot be made in the body from other substrates and must be supplied in food, they are called essential fatty acids.
Myristic acid is used in soap, detergent and spices and also commonly added co-translationally to the penultimate, nitrogen-terminus, glycine in receptor-associated kinases to confer the membrane localisation of the enzyme. The myristic acid has a sufficiently high hydrophobicity to become incorporated into the fatty acyl core of the phospholipid bilayer of the plasma membrane of the eukaryotic cell. In this way, myristic acid acts as a lipid anchor in biomembranes.
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