Comprehensive Guide to SODIUM POLYGLUTAMATE/γ-PGA (CAS 28829-38-1)
Table of Contents
- Product Overview & Technical Specifications
- Comparative Analysis with Similar Compounds
- Industrial & Commercial Applications
- Usage Guidelines by Industry
- Client Success Stories
- Request Customized Solutions
1. Product Overview & Technical Specifications
| Parameter | Description |
|---|---|
| CAS Number | 28829-38-1 |
| Molecular Formula | (C5H7NO3)n·Na |
| Appearance | White crystalline powder/granules |
| Solubility | Highly water-soluble (≥98%) |
| pH Stability | 4.0-9.0 aqueous solution |
| Certifications | Food Grade (GB 29948), Cosmetic Grade (EC 1223/2009) |
2. Comparative Analysis with Similar Compounds
| Feature | γ-PGA Sodium | Polyacrylic Acid Sodium |
|---|---|---|
| Biodegradability | Fully biodegradable | Limited degradation |
| Moisture Retention | 500× water absorption | 200× water absorption |
| Thermal Stability | Stable up to 150°C | Degrades above 100°C |
| Food Applications | Nutrient enhancer | Texture modifier |
3. Industrial & Commercial Applications
3.1 Food Industry
As multifunctional food additive (0.1-0.5% dosage):
- Enhances umami taste in meat products/sauces
- Inhibits lipid oxidation in processed foods
- Improves freeze-thaw stability in frozen goods
3.2 Cosmetic Formulations
- Key humectant in serums/masks (0.5-2.0%)
- Anti-glycation agent in anti-aging creams
- pH balancer in cleansing products
3.3 Agricultural Solutions
- Fertilizer synergist (50-200 ppm)
- Soil pH regulator for alkaline soils
- Crop stress resistance enhancer
4. Usage Guidelines by Industry
| Industry | Recommended Dosage | Functional Benefit |
|---|---|---|
| Bakery | 0.3-0.7% flour basis | Gluten network reinforcement |
| Dermatology | 1.5-3.0% in emulsions | Transdermal delivery enhancement |
| Hydroponics | 100-150 mg/L | Nutrient uptake optimization |
5. Client Success Stories
Case Study 1: Premium Skincare Brand
Challenge: Develop non-greasy moisturizer with 24h hydration
Solution: 2.8% γ-PGA sodium + hyaluronic acid complex
Result: 63% improvement in skin hydration metrics (TEWL test)
Case Study 2: Organic Fertilizer Producer
Challenge: Reduce phosphorus fixation in calcareous soils
Solution: 0.12% γ-PGA coating on NPK granules
Result: 22% higher P availability over 3 crop cycles
Case Study 3: Plant-Based Meat Manufacturer
Challenge: Mimic meat fibrous texture in vegan products
Solution: 0.45% γ-PGA sodium texturizing system
Result: 89% consumer preference vs competitor products
6. Request Customized Solutions
Optimize your formulations with our technical expertise:
- Email: info@vivalr.com
- Phone: (86) 15866781826
Request free sample kits or schedule lab demonstrations.



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