Description
What Is Sorbitan Monostearate?
- Chemical identity: Ester of sorbitol and stearic acid; also known as Span 60.
- INS number: E491
- HLB value: ~4.7, making it suitable for water-in-oil (W/O) emulsions.
Key Benefits
- Emulsion stabilization: Maintains uniform dispersion of oil and water phases.
- Texture enhancement: Improves creaminess and mouthfeel in food and cosmetic products.
- Yeast activation: Boosts rehydration and activity of instant dry yeast.
- Moisture retention: Helps retain water in baked goods and creams.
- Versatile compatibility: Works well with other emulsifiers like polysorbates and monoglycerides.
Functional Roles
| Function | Description |
| Emulsifier | Stabilizes W/O emulsions in food, cosmetics, and pharma |
| Wetting agent | Improves dispersion of powders and actives |
| Yeast activator | Enhances performance of dry yeast during rehydration |
| Texture modifier | Contributes to smoothness and spreadability |
| Dispersant | Helps distribute solids evenly in formulations |
Applications by Industry
- Food:
- Baking yeast, cakes, whipped toppings: Improves yeast activity, texture, and emulsion stability
- Margarine, sauces, dairy: Enhances consistency and prevents phase separation
- Cosmetics:
- Creams, lotions, deodorants: Improves spreadability and emulsion stability
- Pharmaceuticals:
- Used in topical creams and emulsified oral suspensions
- Industrial:
- Textiles, coatings, lubricants: Acts as a dispersant and wetting agent
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