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Sodium Alginate

  • Purity 99%
  • Physical State Powder
  • Feature Highly effective
  • Grade Industry grade
  • Style Dried
  • Shelf Life 1 Year

Sodium Alginate is white or yellowish powder, almost tasteless and odorless. It is a highly polymerized compound with high viscosity, also a kind of typical hydrophilic colloid. The Chemical compound Sodium Alginate is the Sodium Salt of Alginic Acid. Its empirical chemical formula is NaC6H7O6. Its form as a gum, when extracted from the cell wall of brown algae, is used by the foods industry to increase viscosity and as an emulsifier. Sodium Alginate is a good chelator for pulling radioactive toxins such as iodine -131 and strontium-90 from the body which have taken the place of their non-radioactive counterparts.   Applications It is widely used in food, pharmaceutical and textile industry for its stability, thickening and emulsibility, hydratability and gel properties. It is also used in indigestion tablets and the preparation of dental impressions. Sodium alginate has no discernible flavor. Another major use of Sodium Alginate is reactive dye printing, where it is used in the Textile Industry. Sodium Alginate is also used in immobilizing enzymes by inclusion.   Pharmaceutical Grade In pharmaceutical field, Sodium Alginate is widely used in pharmaceutical preparation, tissue engineering, clinical treatment, cell culture and food processing fields because of its exclusive physicochemical property and favorable biocompatibility. In pharmaceutical preparation field, Sodium Alginate is usually used as thickening agent, suspending agent and disintegrating agent, it also can be used as the microencapsulated materials and the cold resistant agent for cells. Further more, it can lower blood sugar, antioxidant and increase immunological competence. In recent years, with the development of biological medical material and the new pharmaceutical dosage form, as a kind of bioadhesive polymer and PH sensitivity of the gel material, the application research of Sodium Alginate is increasing. In the conventional preparation, sustained release microcapsules or mini-pills are made availing of its polyelectrolyte character, gel matrix tablets are made availing of its gel character and targeted intestinal absorption tablet disintegrant is made availing of its PH sensitivity. In addition, Sodium Alginate can be used as thickening agent of the topical ointment. The viscosity of the oral tablet is increased if added Sodium Alginate into it, then gel barrier effect comes into being and prolong the drug release time, reduce adverse reactions. long acting Isosorbide Dinitrate tablet is made with the Sodium Alginate as base material. Long term effect can also be caused if added Sodium Alginate into antibiotic, insulinum and hormone drugs solution. Sodium Alginate molecule contains free carboxyl and oxdydryl than can form gel with many metal ions. The mini-pills we made have PH sensitivity, suitable grain size that can prevent burst and oral toxicity. Sodium Alginate gel is so powerful bio-adhesive that it can be used in local wound dressing, drug delivery system for nasal cavity and ocular region, oral pellicles and chewable tablet. Sodium Alginate has the characteristic of blood compatibility, degradation and elimination inside the body, it is a good carrier material for targeting drug.   Food Grade Typical applications as stabilizer: To substitute for starch, gelatin as ice cream stabilizer can control the formation of ice crystals and improve the taste of ice cream. It can also stabilize mixed beverages like syrup ice cream, iced sherbet, frozen milk etc. its stable function can prevent the adhesion between foods and packing material in many dairy products such as refined cheese, whipped cream, dry cheese, etc. if it is used as the cover of milk on ornaments, Sodium Alginate can make it stable and prevent icing sugar pastry cracking.   Typical applications as thickener and emulsifier: Used as thickener for salad sauce, pudding, jam, ketchup and canned products that can enhance the stability and reduce fluid exudation.   Typical applications of hydratability: Used in noodles, silk noodles and rice flour, Sodium Alginate can improve bonding inside the product, making them with high tensile strength, curvature, reducing the end breakage rate, especially for low gluten flour, the effect is more apparent. If added in bread and cakes, the uniformity and water retention ability of internal organizations of these products will be improved, thus prolong the storage time. When added in frozen dessert products, Sodium Alginate can provide a protective shield of heat fusion, prevent fragrance loss and improve the melting point.   Typical applications of gel property : Various gel food can be made by Sodium Alginate with good colloid form yet without drainage of shrinkage, suitable for frozen food and man-made imitation food. It can also be used to cover fruit, meat, poultry and aquatic products as protective layers, to prevent from the air and thus extend the storage time. It can be as self-solidification forming agent such as sugarcoating of bread, stuffed filling, cover layer of dessert , canned food, etc. in high temperature, freezing and acidic media can still maintain the original shape. It can also be made into flexible, non-stick tooth and transparent crystal candy instead of agar agar. Sodium Alginate is an indispensable dietary fiber for human body with unique nutrition. Combined with organic matter, it can decrease serum and cholesterol in liver, inhibit the rise in total fat and fatty acid concentration. Besides, it can also improve the digestion and absorption of nutrient; at the same time inhibit the absorption of harmful elements such as radioactive strontium, cadmium, etc. Long-term consumption of health food with Sodium Alginate will be helpful to treat hypertension, coronary heart disease, obesity, diabetes and intestinal tract diseases etc. In addition, Sodium Alginate can also be used as feed binder, pet food binder, monomer raw materials of cosmetics.

  • Specifications
    Parameter Specification
    Appearance Milk White Powder
    Viscosity (1% Aqueous sol) (RVDV-II+,2#,20rpm,20 Celsius) 40-50mPa.s,300-700mPa.s
    Particle Size 80 mesh
    Loss on drying (105 Celsius,4h) 15% w/w max
    PH 6.0-8.0
    Water insoluble material 0.6% w/w max.
    Ash 18-27.0% w/w
    Heavy Metal
    Lead(Pb) 5 ppm max.
    Arsenic 3 ppm max.
    Hg 1 ppm max.
    Cd 1 ppm max.
    Mercury 1 ppm max.
    Total Plate Count 5000cfu/g max.
    Yeast and mould 500cfu/g max.
    Coliform Negative in 1g
    E.coli Negative in 1g
    Salmonela Negative in 1g
    Endotoxins 50EU/gram max.


    Packing : Poly woven bag, 25kg/bag

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