Typical plant sources include soybeans or palm. Triglycerides can be saponified with sodium hydroxide to give glycerol and fatty sodium salt or soap. The hydrolysis, saponification, or transesterification of these triglycerides produces glycerol as well as the fatty acid derivative: Glycerol is generally obtained from plant and animal sources where it occurs in triglycerides, esters of glycerol with long-chain carboxylic acids. Thus, in substituted derivatives, the stereospecific numbering labels the molecule with a sn- prefix before the stem name of the molecule. Structure Īlthough achiral, glycerol is prochiral with respect to reactions of one of the two primary alcohols. Because of its three hydroxyl groups, glycerol is miscible with water and is hygroscopic in nature. It is also widely used as a sweetener in the food industry and as a humectant in pharmaceutical formulations. Its presence in blood can be used as an effective marker to measure liver disease. Conversely, it is also used as a bacterial culture medium. Because it has antimicrobial and antiviral properties, it is widely used in wound and burn treatments approved by the U.S. The glycerol backbone is found in lipids known as glycerides. It is a colorless, odorless, viscous liquid that is sweet-tasting and non-toxic. Glycerol ( / ˈ ɡ l ɪ s ə r ɒ l/), also called glycerine or glycerin, is a simple triol compound.
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