Carboxymethylcellulose Sodiun Product Introduction

Sodium carboxymethyl cellulose (CMC) is a water-soluble white powder. It is produced by carboxymethylating cellulose and possesses excellent thickening, emulsifying, and stabilizing properties. CMC dissolves rapidly in water to form a viscous colloidal solution, improving the texture and taste of food products.

I. Physicochemical Properties

Sodium CMC is a white or off-white fibrous powder or granules with a density of 0.5-0.7 g/cm³. It is virtually odorless and tasteless, and hygroscopic. It disperses easily in water to form a transparent colloidal solution but is insoluble in organic solvents such as ethanol. A 1% aqueous solution has a pH of 6.5–8.5. When pH > 10 or

II. Uses

1. Thickening and Emulsifying Stability: Edible sodium carboxymethyl cellulose (CMC) acts as an emulsifier and stabilizer in beverages containing fats and proteins.

2. Improving Leavening: Using CMC in ice cream can increase its leavening, improve melting speed, and impart a better texture and mouthfeel.

3. Hydrophilicity and Rehydration: This functional property of CMC is commonly used in bread production, resulting in more uniform honeycomb structure, increased volume, reduced crumbs, and improved insulation and freshness. Noodles with added CMC exhibit better water retention, are more resistant to overcooking, and have a better texture.

4. Gelation: Thixotropic CMC refers to macromolecular chains with a certain number of interactions, playing an important role in gelation systems. It can be used to make jellies, jams, and other foods.

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