Propylene Glycol Alginate (PGA)


Propylene Glycol Alginate (PGA) is a versatile food additive known for its exceptional emulsifying, stabilizing, and thickening properties.

Derived from alginic acid found in brown seaweed, PGA is a key ingredient in a wide range of food and beverage products.

As a trusted Propylene Glycol Alginate supplier, we provide high-quality PGA to enhance texture, improve consistency, and stabilize your formulations.

Discover how this multifunctional additive can transform your culinary creations and elevate your product offerings.

Propylene Glycol Alginate (PGA) E405

Category E Number CAS No. HS Code Origin MOQ Abbr.
Thickeners, Stabilizers, Emulsifiers
100 kg
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1% solution | Viscometer Model: RVDV-I | Temperature of Solution: 20°C | R.P.M: 20 | Spindle No.: 2#

Propylene Glycol Alginate Specification

AppearanceCreamy white powder
Particle Size95% min pass 60 mesh
Viscosity100-500 mPa.s, or according to the need
Degree of Esterification≥ 40%
Loss on Drying≤ 15.0%
pH Value3.0 - 5.0
Insoluble Ash Content≤ 1.0%
Heavy Metals≤ 20.0 mg/kg
Lead(Pb)≤ 2.0 mg/kg
Arsenic(As)≤ 2.0 mg/kg
Total Plate Count≤ 5,000 CFU/g
Yeast and Moulds≤ 200 CFU/g
E.ColiAbsent in 5 g
SalmonellaAbsent in 10 g

Key Features of Propylene Glycol Alginate

The key features of PGA include:

Excellent Emulsifying Properties
Propylene Glycol Alginate helps create stable emulsions, ensuring a uniform and homogenous mixture of oil and water-based ingredients.
Effective Stabilization
It prevents separation of ingredients, maintaining the desired texture and appearance of food and beverage products over time.
Superior Thickening Agent
PGA increases the viscosity of liquids, providing a rich and desirable mouthfeel in a variety of products such as sauces, dressings, and dairy items.
Acid Stability
Unlike other alginates, Propylene Glycol Alginate remains stable in acidic environments, making it ideal for use in acidic beverages and condiments.
Heat Stability
It retains its functional properties under heat, making it suitable for use in cooked and processed foods.
Water Solubility
Propylene Glycol Alginate dissolves easily in both cold and warm water, allowing for versatile application in different formulations.
Natural Origin
Derived from brown seaweed, it is a naturally sourced ingredient, appealing to consumers seeking natural and sustainable food additives.
Improved Mouthfeel
Enhances the sensory properties of food and beverages, providing a smooth and creamy texture.
Shelf-Life Extension
Contributes to the stability and longevity of products, reducing spoilage and waste.
Suitable for a wide range of applications in the food and beverage industry, including dairy, beverages, dressings, sauces, and bakery products.

Propylene Glycol Alginate Applications

Beverages: Used in fruit juices, soft drinks, and alcoholic beverages to improve stability and mouthfeel.

Dairy Products: Enhances texture and consistency in yogurt, ice cream, and cheese spreads.

Dressings and Sauces: Acts as a thickener and stabilizer in salad dressings, sauces, and dips.

Bakery: Improves dough conditioning and extends shelf life in baked goods.

How to Use Propylene Glycol Alginate

Propylene Glycol Alginate is typically used in concentrations ranging from 0.1% to 1% depending on the specific application and desired effect. It can be dissolved in cold or warm water, making it easy to incorporate into various formulations. For best results, it should be dispersed in the aqueous phase before combining with other ingredients.

Safety and Regulatory Status

Propylene Glycol Alginate is recognized as safe by various food safety authorities, including the FDA and EFSA. It is approved for use in food products and adheres to strict quality and safety standards.


What is Propylene Glycol Alginate used for?

Propylene Glycol Alginate is used as an emulsifier, stabilizer, and thickening agent in various food and beverage products. It helps improve texture, consistency, and stability.


Is Propylene Glycol Alginate safe for consumption?

Yes, Propylene Glycol Alginate is recognized as safe by food safety authorities like the FDA and EFSA. It meets stringent quality and safety standards for use in food products.


How does Propylene Glycol Alginate benefit food products?

It improves emulsification, stabilizes ingredients, increases viscosity, and is stable in acidic environments, enhancing the overall quality and shelf life of food products.


Can Propylene Glycol Alginate be used in acidic beverages?

Yes, Propylene Glycol Alginate is resistant to acidic environments, making it an ideal stabilizer for acidic beverages like fruit juices and soft drinks.


What are the typical concentrations of Propylene Glycol Alginate in food products?

Propylene Glycol Alginate is usually used in concentrations ranging from 0.1% to 1% depending on the application and desired effect.

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