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CAS: 9005-38-3
Molecular weight: 216.1212
Chemical formula: C₆H₉O₇Na
Specifications: food grade, industrial grade
Packing: 25KG/ barrel
Nickname: alginate; Sodium alginate, etc.;
Boiling point: 495.2°C at 760 mmHg

Product introduction:
Sodium alginate, a natural polysaccharide, has the stability, solubility, viscosity and safety required for pharmaceutical excipients. The first scientific study of alginate extracts from brown seaweed was carried out in 1881 by the British chemist E.C.Stanford. He found that the alginate extract had several interesting properties, including the ability to concentrate solutions, form gels and form films. Based on this, he made several applications for industrial production. However, alginate was not produced on a large scale until 50 years later. Commercial production began in 1927 and now around 30,000 tons are produced worldwide each year, of which 30% is used in the food industry and the rest in other industries, pharmaceuticals and dentistry.
Uses:
Uses 1: used as sizing agent and printing pulp for textiles, at the same time as thickening agent, stabilizer, emulsifier widely used in industry;
Use 2: as emulsifying stabilizer and thickening agent, China's regulations can be used for all kinds of food, according to the production needs of appropriate use;
Use 3: stabilizer; Thickener; Emulsifier; Dispersant; Gelling agent. By industry, Suspending agent;
In Japan, it is used for ice cream and cold snacks to improve the shape retention and make the tissue delicate. Its dosage is 0.1% ~ 0.4%. When making fillings, the dosage is 0.1% ~ 0.7%. Because it is a hydrophilic polymer with strong hydration, it is difficult to form ice crystallization in the water adsorbed on the stabilizer.
In the United States, it is used in pie fillings, meat sauces, meat juice, frozen foods, chocolate, cream flavored hard candies, cold snacks gels, gsyrups, emulsions, etc., the amount is 0.1% to 0.5%.
In beer production as copper solidification removal agent.
Can be made into film, used for candy anti-stick packaging.
Use 4: It is used to increase blood volume and maintain blood pressure, eliminate the histamine toxoid produced by burns, blood loss after trauma, stabilize the circulatory system before and after surgery, massive hemorrhagic shock, burn shock, high fever and acute dysentery and other systemic dehydration, and has good therapeutic effect. It can also discharge cholesterol from the body, inhibit the absorption of Pb, Cd and Sr by the body, protect gastrointestinal tract, whole intestine, reduce weight and lower blood sugar. It is mainly used as suspending agent, emulsifier, thickening agent, capsule material of microcapsule, etc.
Use 5: It is a kind of high viscosity polymer compound. It is different from starch, cellulose, etc., in that it has carboxyl group, which is the aldehyde group of β-D-mannouronic acid, a high glycolonic acid formed by glycoside bond.