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Xanthan Gum
Chemical Formula: (C35H49O29)n
Molecular Weight: /
CAS No.: 11138-66-2
EINECS No.: 234-394-2
Introduction
Xanthan Gum, also known as corn sugar gum, is a cream-colored to white free-flowing powder with slight odor. It dissolves easily in both cold and hot water, forming neutral solutions that are resistant to freeze-thaw cycles. As an extracellular polysaccharide produced by Xanthomonas campestris fermentation, it exhibits unique rheological properties, excellent water solubility, stability to heat and pH, and compatibility with various salts.
Specifications
| Parameter | Specifications |
|---|---|
| Appearance | Cream-colored powder |
| Assay (%) | 91.0~117.0 |
| Solubility | Soluble in water, insoluble in alcohol |
| Identification | Pass the test |
| Loss on drying (105°C, 2.5 hours) (%) max | 15.0 |
| Ashes (%) max | 16 |
| Pyruvic acid (%) min | 1.5 |
| Nitrogen (%) max | 1.5 |
| Alcohol and Isopropyl Alcohol (mg/kg) max | 500 |
| Lead (ppm) max | 2.0 |
| Total plate count (cfu/g) max | 5000 |
| E.coli | Negative |
| Salmonella | Negative |
| Yeast and mold (cfu/g) max | 500 |
| Particle size (mesh) | 80/200 |
Features and Benefits
Key Functional Properties
- Excellent thickening and stabilizing properties
- Strong water solubility in both cold and hot water
- Outstanding stability to heat, acids and bases
- Good compatibility with various salts
- Unique pseudoplastic rheological behavior
- Effective suspension and emulsion stabilization
Applications
Food Industry
- Baked goods: Improves moisture retention and softness
- Meat products: Enhances tenderness and water holding capacity
- Frozen foods: Thickens and stabilizes product structure
- Jams and preserves: Improves texture and moisture retention
- Beverages: Provides thickening and suspension properties
- Dairy products: Stabilizes ice cream and other dairy items
- Jellies and candies: Often used with other gums for texture
Other Industries
- Cosmetics: Key ingredient in high-end skincare products
- Pharmaceuticals: Used in controlled drug release systems
- Oil drilling: Maintains drilling fluid viscosity
Usage Guidelines
- Disperse in water with vigorous agitation
- Ensure complete hydration before adding other ingredients
- Typical usage levels range from 0.1% to 0.5% in food applications
- For oil drilling, concentrations as low as 0.5% are effective
- Can be combined with other hydrocolloids for synergistic effects
Packaging & Storage
Package: 25kg carton with inner PE bag
Shelf Life: 24 months when properly stored
Storage Conditions:
- Store in dry, non-humid environment
- Keep away from direct sunlight
- Reseal tightly after each use to minimize air exposure
- Store separately from toxic or hazardous chemicals