Extracted from soybean,through enzyme treatment,extracting, separating, purification and drying,It is a emulsifier, thickening agent and coating agent as well as a kind of water-soluble dietary fiber.The product industry standard issued in 2005 by the national commissariat bureau and regarded as food additives by the Ministry of health in 2008 the No. 13 announcement. It is a acidic polysaccharide, molecular structure similar to the spherical, composed of galacturonic acid chitosan, Rhamnus digalactosyl acid main chain of chitosan and chitosan, Arabia composed of neutral branched galactose, a part branched chain polymerization have protein, emulsification with protein sugar, molecular mass of 50001×106U, easily soluble in water.And have good emulsion properties and good film performance. Have good acid - resistant soda-resistant and heat resistance,emulsifying stability under the acidic conditions.Low aqueous solution viscosity,even in rich calcium beverage have its good stability and do not decreased, suitable for low viscosity protein drinking. Compared with pectin, CMC and other similar products, soybean soluble polysaccharide has lower viscosity,stable emulsification effect and better and wider usage of pH range.

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