Sodium Alginate

What is Sodium Alginate

Sodium alginate is a water-soluble polysaccharide found in brown seaweed. It is a multi-purpose food additive (e.g., emulsifier, thickener, stabilizer).

Sodium Alginate

Sodium Alginate

Category Thickeners, Stabilizers
E Number E401
CAS No. 9005-38-3
H.S. Code 1302310000
Origin China
MOQ 100 KG
Packaging 25kg/bag
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Choosing Your Right Sodium Alginate Powder Suppliers

You will enjoy all grades and forms of sodium alginate products, including:

  • Food grade
  • Low viscosity
  • Medium viscosity
  • High viscosity
  • Pharmaceutical grade

Sodium Alginate Applications

1. Food Applications

Sodium alginate is a natural, water-soluble polysaccharide extracted from the cell walls of brown seaweed (Phaeophyceae). It appears as an odorless, tasteless white-to-yellowish powder and is widely used as a thickener, stabilizer, emulsifier, and gelling agent.

2. Food Applications

Meat & Restructured Foods:

Used to bind and form plant-based meats, onion rings, restructured foods, and sausage/meat casings.

Bakery:

Added to icings, fruit fillings, and hard candies to maintain shape and texture under varying temperatures.

Drinks & Beverages:

Used for spherification to create liquid-filled gel spheres (such as faux caviar or juice pearls).

Dairy:

Acts as a texture-improver and stabilizer in ice cream, salad dressings, sauces, and processed cheeses.

3. Non-Food Applications

Medicine and Biomedicine
  • Antacids & Reflux Relief: Forms a protective, floating gel barrier in the stomach to prevent acid reflux and heartburn (found in medications like Gaviscon). 
  • Wound Care: Used in specialized alginate wound dressings that absorb moderate-to-heavy exudate and maintain a moist healing environment. 
  • Drug Delivery & Tissue Engineering: Serves as a hydrogel scaffold for controlled drug release, protein delivery, and 2D/3D mammalian cell or tissue cultures

Sodium Alginate for Food

Meat product,Bionic food,Bakery,milk products,beverage

Sodium Alginate for Industrial grade

Dying，Welding，Water treatment

Agar in Pharmacy

Coating，Oral suspension, Medical dressing