Propylene Glycol Alginate

Product Description

Propylene glycol alginate (PGA)

PGA is a kind of new type of food additive, manufactured from alginic acid extracted from natural seaweed through intensive processing. It is white or light yellow powder, flavorless or a little fragrance. It is soluble in water and form gelling solution. It is insoluble in organic solvent ethanol.
Besides its thickening property, PGA has function of surface active agent, used as emulsifier and bubble stabilizer. It has stabilizing function for greasy colloid and it is acid resistant. Because PGA is nonionic compound, it is stable for some metal ion, which can not make solidification and separate out.

PGA is widely used in food and pharmaceutical industry, for example:

Propylene glycol alginate (PGA)

The typical application:
In food industry, it acts as thickener, stabilizer and emulsifier in yogurt and ice cream, which makes product surface smooth without any concave-convex and fine mouthfeeling. It acts as stabilizer and emulsifier in milk products like cheese, which makes product puffed and emulsified better. It acts as bubble stabilizer in beer, which makes bubble whiter and more exquisite and durable. It acts as acid resistance, emulsifier and dispersant in fruit drinks, which makes drinks no sediment, no layers and stabilizes oil elements. It acts as modifier in flour, noodles and instant foodstuff, as well as in ketchup, meat sauce, soy sauce, emulsifying essence, syrup and icing.
In pharmaceutical industry, it acts as agent for X-ray graph, stabilizer, protecting agent for alimentary canal mucosa, monomer for cosmetics.