| Customization: | Available |
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| CAS No.: | N/a |
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Sucrose Fatty Acid Esters (SFAEs), also known as sucrose esters or sugar esters, are a unique class of nonionic surfactants derived from the esterification of sucrose with fatty acids1. They are valued for their versatile applications in the food, cosmetic, and pharmaceutical industries due to their excellent emulsifying, stabilizing, and foaming properties2.
Production and Composition: SFAEs are synthesized through a process that can involve direct esterification or transesterification reactions with fatty acid methyl or ethyl esters3. The resulting product is a mixture of mono-, di-, and poly-esters with varying chain lengths, which can be adjusted to achieve specific hydrophilic-lipophilic balance (HLB) values. This allows them to function effectively in a range of emulsion types, from oil-in-water to water-in-oil systems4.
Properties: These esters are tasteless, especially when the hydrophobic tail contains 12 or more carbon atoms, and are non-irritant to the skin5. They exhibit antimicrobial activity, particularly against Gram-positive bacteria, and have been noted for their antitumor, antioxidant, and anti-inflammatory properties6. Sucrose esters also have insecticidal properties and can serve as drug permeability enhancers7.
Applications: In the food industry, SFAEs are widely used as emulsifiers, helping to create stable dispersions in products like beverages, baked goods, dairy products, and confectionery2. They are also used in cosmetics for their emollient and surfactant properties, and in pharmaceuticals for drug delivery and as oleogelators, which can structure liquid vegetable oil into a three-dimensional network
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