Properties
CAS number | 9005-38-3 |
EC number | 618-415-6 |
Molecular Formula | C6H9NaO7 |
Molecular Weight | 216.12 g/mol |
Synonyms | Alginic acid Sodium salt; Algin; Alginic acid sodium salt; Kelgin |
Source | Brown seaweed |
Physical Form | Solid |
Solubility | Soluble in water |
Standard | Food Grade |
Description
Sodium Alginate (E401) is a food-grade thickener, stabilizer, and gelling agent derived from brown seaweed found off the coasts of the North Atlantic, South America, and Asia. It appears as a white powder or granular form and is recognized for its effectiveness in thickening, stabilizing, gelling, and film-forming applications. This versatile hydrocolloid is widely utilized in the food industry for its reliable and consistent performance.
Specification:
Viscosity (mPa.s, 1% solution, 20°C): As required
Loss on drying (105°C, 4h): 15% max
pH (1% solution): 6.0 - 8.0
Ash (dry basis, %): 18.0 - 27.0
Water insolubles (dry basis): 2.0% max
Arsenic (As): 3 ppm max
Lead (Pb): 5 ppm max
Mercury (Hg): 1 ppm max
Cadmium (Cd): 1 ppm max
Application:
1) Thickening agent in sauces, soups, and dressings.
2) Stabilizer in ice cream, yogurt, and other dairy products.
3) Gelling agent in bakery fillings and fruit preparations.
4) Film-forming agent in edible coatings and films.
5) Emulsifier in salad dressings and mayonnaise.
6) Texturizer in meat and seafood products.
7) Clarifying agent in beverages like beer and juice.