Propylene Glycol Alginate CAS 9005-37-2: Your Essential Food & Cosmetic Stabilizer
Discover the versatile applications of Propylene Glycol Alginate, a key ingredient for texture, stability, and emulsification.
Get a Quote & SampleProduct Core Value

Propylene Glycol Alginate
Propylene Glycol Alginate (PGA) is a naturally derived food additive that plays a critical role as a stabilizer, thickener, and emulsifier. Extracted from brown seaweed, PGA undergoes esterification with propylene glycol, enhancing its solubility and functionality. Its unique chemical structure allows it to perform exceptionally well in acidic food products and beverages where other alginates might fail. This makes it an indispensable ingredient for achieving desired textures, preventing ingredient separation, and enhancing the overall quality and appeal of a wide array of consumer goods, from creamy dressings to stable cosmetic formulations.
- Enhance your food formulations with the stabilizing power of propylene glycol alginate. This ingredient ensures product consistency and prevents phase separation in products like salad dressings and sauces.
- Achieve superior texture and mouthfeel by using propylene glycol alginate as a thickener. It contributes to a smooth, pleasing consistency in dairy products, beverages, and desserts, making your products stand out.
- Explore the use of propylene glycol alginate for beer foam stabilization. It effectively creates and maintains a fine, stable head on beer, enhancing the drinking experience and product appeal.
- Leverage propylene glycol alginate's acid resistance for acidic food products. It remains effective in low pH environments, making it ideal for fruit juices, yogurts, and other acidic beverages.
Key Advantages
Exceptional Stability in Acidic Conditions
Propylene glycol alginate maintains its thickening and stabilizing properties even in acidic food products, a crucial feature for beverages and dressings, thus supporting the effective use of propylene glycol alginate in food products.
Versatile Texturizing and Emulsifying
As a potent emulsifier and thickener, PGA contributes to smooth textures and stable emulsions, significantly improving product appeal and shelf life, a key benefit when you buy propylene glycol alginate for your formulations.
Natural and Biodegradable Source
Derived from natural seaweed, PGA offers a sustainable and biodegradable alternative to synthetic additives, aligning with consumer demand for cleaner labels and environmentally conscious products.
Key Applications
Food Industry Applications
PGA is widely used as a propylene glycol alginate thickener and stabilizer in salad dressings, sauces, dairy products, and beverages to improve texture and prevent separation.
Beverage Stabilization
Its use as a propylene glycol alginate stabilizer in fruit juices and acid milk drinks ensures consistency and prevents unwanted precipitation, making it ideal for beverage formulation.
Cosmetic Formulations
In cosmetics, PGA acts as a thickener and stabilizer, enhancing the texture and feel of skincare and haircare products, demonstrating its versatility beyond food applications.
Beer Foam Stability
PGA is renowned for its ability to enhance beer foam, providing a rich, lasting head and improving the overall sensory experience for beer drinkers.