Carboxymethyl Cellulose - CMC
Carboxymethyl cellulose (CMC) is a water‑soluble cellulose derivative, commonly labeled as E466, used as a thickener, stabilizer and texture-forming agent in a wide range of food products. It acts as an efficient viscosity and rheology modifier, providing stable structure, uniform distribution of solids and reduced syneresis. Due to its good solubility in both cold and hot water, CMC is suitable for standard and instant formulations in the food industry.
Sources
CMC is produced by chemical modification of natural cellulose, most commonly from wood pulp or cotton linters. Reaction with sodium monochloroacetate yields sodium carboxymethyl cellulose, a polyanionic polymer with defined degree of substitution and viscosity. The raw material offers good microbiological stability and high purity, which is essential for use in food systems.
Variations
Food-grade CMC is available in several technological variants, which mainly differ in:
- degree of substitution (DS),
- solution viscosity range,
- particle size distribution (fine or coarse grades),
- purity level and residual salt content.
By combining these parameters, manufacturers select the CMC grade that is optimal for the specific product type: beverages, emulsions, sauces, toppings, freeze–thaw systems or dry powder blends.
Applications In The Food Industry
Dairy Industry
CMC is widely used in fermented dairy products, desserts and ice creams. In yogurts and dairy drinks it helps prevent whey separation, improves mouthfeel and maintains homogeneous texture throughout shelf life. In ice cream and frozen dairy desserts it reduces ice crystal growth, enhances creaminess and increases resistance to temperature fluctuations.
Confectionery Industry
In fruit fillings, creams, custards and jelly products CMC is applied as a thickener and stabilizer, enabling controlled texture, stable viscosity and good baking stability. In toppings and glazes it provides gloss, homogeneity and reduced sugar crystallization. It is particularly important in low-calorie and sugar-reduced formulations as a texture replacer when sugar content is lowered.
Beverage Industry
In fruit juices, nectars and flavor-based drinks CMC is used to stabilize pulp, keep suspended particles evenly distributed and adjust viscosity. It delivers uniform consistency and slows down sedimentation. In diet and functional beverages it contributes to a pleasant mouthfeel and body without adding sugar or fat.
Frozen Foods Industry
CMC is an important functional ingredient in frozen desserts, sauces, toppings and ready meals intended for freezing. It reduces the formation of large ice crystals, improves emulsion stability during freeze–thaw cycles and helps preserve desired texture after thermal processing and cold-chain storage.
Benefits Of Use
Using CMC in food products provides:
- stable, controlled viscosity and reliable texture,
- improved stability during storage, freezing and transport,
- reduced syneresis, sedimentation and phase separation,
- the possibility to formulate low-fat and low-sugar products while maintaining good sensory quality.
CMC also supports process optimization by enabling consistent batch-to-batch quality, easier handling on production lines and potential cost savings through rationalization of other hydrocolloids and stabilizers.
Get a Quote
Fast ResponseWhy Choose Our Platform?
Unlock direct access to a global network of reliable suppliers. Through our platform you can source ingredients, polymers and specialty products from trusted producers with full transparency. Every product comes with clear documentation, and every supplier is checked for quality, compliance and consistency so you can focus on production, not on risk.