Q
how is cellulose gum made
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Cellulose gum, or carboxymethyl cellulose (CMC), is made from cellulose, the main polysaccharide and structural component of plants. The process starts with purified cellulose sourced from cotton lint or wood pulp. The cellulose is then reacted with caustic soda (sodium hydroxide) to alkalinize it, followed by the addition of monochloroacetic acid. This reaction introduces carboxymethyl groups into the cellulose chain, resulting in a water-soluble and highly viscous form of cellulose. The solution is then neutralized, washed, and dried to produce powdered cellulose gum. The final product can be used in various applications due to its thickening, stabilizing, and emulsifying properties, ranging from food production to pharmaceuticals and even in products like toothpaste and paper coatings.
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