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E487
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Sodium lauryl sulphateEmulsifiers, Thickeners
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Description
Sodium lauryl sulfate (SLS) is an anionic surfactantA wetting agent that reduces liquid surface tension of the substance it is added to, to facilitate easier spreading between two liquids. (detergent) which is commercially synthesised from sulphuric acid as sulphuric acid monododecyl esterAn organic compound made by replacing the hydrogen of an acid by an alkyl or other organic group. sodium salt, or naturally from coconut and/or palm oil kernels. It occurs as white or cream coloured crystals, flakes, powder, or as a clear to yellowish thick liquid, with a slight odourA distictive smell that may be either pleasant or unpleasant. of fatty substances. One end of the molecule is charged and is extremely soluble is water, while the other end is non-polar and is soluble in fats. It is this property that makes it suitable for use as an emulsifierUsed in food to maintain a uniform mixture between two or more unblendable mixutres. For example a mixture of oil and water. This is achieved by having one end of the emulsifier molecule soluble in water and the other end soluble in fats and oils., and thickenerA substance used to increase the viscosity of a mixture while minimising changes to any other properties. in foods.
Common Uses
Used as an emulsifier in or with egg whites, as a whipping agent in marshmallows, as a surfactant in dry beverage base and fruit juice drinks that have been acidulated with fumaric acid, and in crude vegetable oils and animal fats.
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