What is the Difference Between CMC and Xanthan Gum?
🆚 Go to Comparative Table 🆚CMC (carboxymethyl cellulose) and xanthan gum are both commonly used as thickening agents and stabilizers, but they have some differences in their properties and applications. Here are the key differences between CMC and xanthan gum:
- Chemical composition: CMC is a cellulose derivative, while xanthan gum is a polysaccharide derived from the fermentation of a bacterium called Xanthomonas campestris.
- Solubility: CMC is soluble in cold water, whereas xanthan gum is soluble in both hot and cold water.
- Viscosity: CMC has a higher viscosity than xanthan gum, meaning it thickens liquids more effectively.
- Synergy: CMC can work in synergy with other thickeners, whereas xanthan gum tends to work better alone.
- Sensory properties: Xanthan gum has a slimy or slippery mouthfeel, whereas CMC has a more smooth and creamy texture.
- pH stability: Solutions containing CMC are stable in the pH range of 1-13, while solutions containing xanthan gum are stable in the pH range of 4-10.
Both CMC and xanthan gum are used in various applications, including food, pharmaceuticals, and cosmetics. CMC is commonly used in salad dressings, sauces, and ice cream, while xanthan gum is often used in food and personal care products. The choice between CMC and xanthan gum depends on the specific application, desired texture, and other factors.
Comparative Table: CMC vs Xanthan Gum
The difference between CMC and Xanthan Gum can be summarized in the following table:
Property | CMC (Carboxymethyl Cellulose) | Xanthan Gum |
---|---|---|
Chemical Composition | Cellulose derivative with carboxymethyl groups | Polysaccharide derived from the fermentation of Xanthomonas campestris |
Solubility | Soluble in cold water | Soluble in both hot and cold water |
Viscosity | Higher viscosity than Xanthan Gum | Lower viscosity than CMC |
Synergy | Can work in synergy with other thickeners | Works better alone |
Sensory Properties | Smooth and creamy texture | Slimy or slippery mouthfeel |
Stability | Solutions containing CMC are stable in the pH range of 1-13 | Solutions containing Xanthan Gum are stable in the pH range of 4-10 |
Both CMC and Xanthan Gum are commonly used as thickening agents and stabilizers in various applications, but they have different properties and are used in different applications.
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