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What is Arabic Gum ?

  • Author:Kathy
  • Source:www.oceanchinachem.com
  • Release on :2016-06-24


  Arabic Gum also known as the Arabic gum, derived from the tree of the genus acacia trees leguminous exudate, so also known as gum acacia. Main composition of macromolecular polysaccharide gum Arabic and calcium, magnesium and potassium. Mainly consists of gum aldose, galactose and glucuronic acid, etc. Quality of gum Arabic in amber color, and particles is big, round, mostly in Africa. There is also after refining process and powder gum Arabic, use more convenient.

 

  Is a harmless thickener, and natural frozen gum in the air. Shallow white to yellowish brown translucent block, or white to orange brown granular or powder, polymer electrolyte is molecular weight of 22-300000. Odourless, tasteless, flammable. In the water can be gradually dissolved into acidic and sticky liquid, after some time the viscosity decreased, solubility of about 50% (W/V), insoluble in ethanol. With gelatin or albumin to form stable cement layer. With acid alcohol precipitation, the free acid Arab.

 

   Because of gum Arabic parts with protein material and rhamnose, make the gum Arabic has very good hydrophilic lipophilic property, is an excellent natural water bag type oil emulsifying stabilizer. But the source of different tree species gum Arabic its emulsifying stability effect have a difference. General rule is: rhamnose high content, high nitrogen content in the gel, the emulsification stability performance is better.

 

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