| Customization: | Available |
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| CAS No.: | 26855-43-6 |
| Formula: | N/a |
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Tri-Polyglycerol Mono Stearate, also known as Polyglycerol Stearate or PGS, is a type of non-ionic emulsifier derived from the esterification of stearic acid with polyglycerol. It is a white to yellow colored, viscous or plastic solid that is soluble in oil and dispersible in water1. PGS has a melting range of 55−65°C and is composed of a varying degree of polymerization, typically with a majority of the polyglycerol moiety being di-, tri-, and tetra-glycerols1.
This emulsifier is widely used in the food industry for its ability to improve the texture, stability, and shelf life of food products. It is commonly used in baked goods, confectionery, and dairy products to prevent oil separation, control crystallization, and improve mouthfeel. PGS is also used in cosmetic and pharmaceutical products as an emollient and emulsifying agent due to its skin-friendly properties1.
Recent studies have also explored the use of PGS in the formation of oleogels, which are semi-solid materials made from an organogelator and edible liquid oil. These oleogels have potential applications in the food industry as alternatives to traditional fats and oils, offering improved texture and stability2. The research indicates that PGS can be used to create food-grade oleogels that are thermo-reversible and stable during storage, suggesting its versatility in food formulation
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