Monday, March 19, 2012

What is Lauric acid used for?

Lauric acid (systematically: dodecanoic acid), the saturated fatty acid with a 12-carbon atom chain, thus falling into the medium chain fatty acids, is a white, powdery solid with a faint odor of bay oil or soap.
Properties
Like many other fatty acids, lauric acid is inexpensive, has a long shelf-life, and is non-toxic and safe to handle. It is mainly used for the production of soaps and cosmetics. For these purposes, lauric acid is neutralized with sodium hydroxide to give sodium laurate, which is a soap. Most commonly, sodium laurate is obtained by saponification of various oils, such as coconut oil. These precursors give mixtures of sodium laurate and other soaps.
Niche uses
In the laboratory, Lauric acid is often used to investigate the molar mass of an unknown substance via the freezing-point depression. Lauric acid is convenient because its melting point when pure is relatively high (43.2 °C). Its cryoscopic constant is 3.9 K·kg/mol. By melting lauric acid with the unknown substance, allowing it to cool, and recording the temperature at which the mixture freezes, the molar mass of the unknown compound may be determined.
Potential medicinal properties
Lauric acid has been claimed to have antimicrobial properties.
Lauric acid has been found to increase total cholesterol the most of all fatty acids. But most of the increase is attributable to an increase in high-density lipoprotein (HDL) "good" cholesterol. As a result, lauric acid has "a more favorable effect on total:HDL cholesterol than any other fatty acid, either saturated or unsaturated"; a lower total/HDL cholesterol ratio suggests a decrease in atherosclerotic risk.
Lauric acid is a saturated fat. It is found in many vegetable fats, particularly in coconut and palm kernel oils. People use it as medicine.
Lauric acid is used for treating viral infections including influenza (the flu); swine flu; avian flu; the common cold; fever blisters, cold sores, and genital herpes caused by herpes simplex virus (HSV); genital warts caused by human papillomavirus (HPV); and HIV/AIDS. It is also used for preventing the transmission of HIV from mothers to children.
Other uses for lauric acid include treatment of bronchitis, gonorrhea, yeast infections, chlamydia, intestinal infections caused by a parasite called Giardia lamblia, and ringworm.
In foods, lauric acid is used as a vegetable shortening.
In manufacturing, lauric acid is used to make soap and shampoo.
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