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Specifications
| Appearance | Almost white powder particles |
| Viscosity (10% solution, 30℃) (mm²/s) | 15 to 180 |
| Mono-, di-, and oligosaccharides (in glucose meter) | 10% max |
| Total Nitrogen | 0.05% max |
| Loss on drying | 10% max |
| Heavy metals (Pb) | 2 mg/kg max |
| Ignition residue | 8% max |
| pH value | 5 to 8 |
| Total bacteria count | 600 cfu/g max |
| Yeast & Mold | 100 cfu/g max |
| Salmonella | Negative |
| E. coli | Negative |
Applications
Pullulan (CAS 9057-02-7) is a natural, water-soluble polysaccharide widely used in food, pharmaceutical, and cosmetic industries due to its film-forming and adhesive properties. In food applications, it is employed as a coating agent, stabilizer, and edible film for extending shelf life, improving texture, and providing oxygen barrier protection. In pharmaceuticals, pullulan is used for encapsulation, drug delivery systems, and as a binder in tablets, owing to its non-toxic, biodegradable, and biocompatible nature. In cosmetics, it serves as a film-forming and tightening agent in skincare products, providing smoothness and an instant lifting effect. Beyond commercial uses, pullulan is also studied in biotechnology for nanoparticle formation, tissue engineering, and bioactive compound delivery.
Benefits
The benefits of pullulan lie in its versatility, safety, and functional properties. Its strong film-forming ability and oxygen impermeability make it ideal for preserving sensitive compounds, such as food ingredients, vitamins, and pharmaceuticals, without altering their taste or efficacy. Being non-toxic, biodegradable, and non-immunogenic, it provides a safe platform for biomedical applications, including drug delivery and tissue scaffolding. Its water solubility and transparency add value in both food and cosmetic formulations, offering aesthetic and functional appeal. Furthermore, its ability to form nanoparticles and hydrogels enhances its potential in advanced therapeutic applications, such as targeted drug delivery and regenerative medicine.
Conclusion
In summary, pullulan is a multifunctional biopolymer with diverse applications across food, pharmaceutical, cosmetic, and biomedical fields. Its benefits include safety, biodegradability, film-forming capacity, and compatibility with sensitive compounds, making it an invaluable material for both industrial and research purposes. As demand for eco-friendly and health-conscious materials continues to rise, pullulan stands out as a sustainable and versatile solution.
