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Specifications
| Grade | USP, E440 |
| Appearance | Free flowing powder |
| Colour | Pale brown powder |
| Odour | Slight, free from off-notes |
| Taste | Slight, free from off-flavours |
| pH (2% solution) | 2.5~3.5 |
| Viscosity (4% solution) | 200 mPa·s max |
| Particle size | 300 µm max |
| Galacturonic acid | 80% min |
| Loss on drying | 10% max |
| Acid-insoluble ash | 1% max |
| Nitrogen content | 1% max |
| SO₂ | 10 mg/kg max |
| Free methyl, ethyl and isopropyl alcohol | 1% max |
| Lead | 2 mg/kg max |
| Arsenic | 3 mg/kg max |
| Mercury | 1 mg/kg max |
| Cadmium | 1 mg/kg max |
| Total plate count | 500 CFU/g max |
| Yeast and mould | 100 CFU/g max |
| Coliforms | 3.0 MPN/g max |
| E. coli | 3.0 MPN/g max |
| Staphylococcus aureus | Absent in 25 g |
| Salmonella | Absent in 25 g |
Applications
Pectin is a naturally occurring polysaccharide widely used across the food, pharmaceutical, and biotechnology industries. In the food industry, it serves as a gelling, thickening, and stabilizing agent in products such as jams, jellies, fruit preserves, yogurt, and confectionery. Pectin is also applied as a fat replacer and texture enhancer in low-calorie and dietetic foods. In pharmaceuticals, it is used as a binder, stabilizer, and controlled-release agent in tablets and capsules. Additionally, pectin finds applications in biotechnology and research, including as a matrix for enzyme immobilization, a carrier for drug delivery systems, and in wound healing formulations due to its biocompatibility and ability to form hydrogels. Industrially, pectin is also explored for wastewater treatment and as a biodegradable material in eco-friendly packaging.
Benefits
Pectin offers numerous advantages due to its natural origin, biocompatibility, and functional versatility. It provides excellent gelling and thickening properties even at low concentrations, enhancing product texture and stability. Its high solubility in water and ability to form hydrogels make it suitable for both food and pharmaceutical applications. Pectin can also interact with divalent cations, allowing controlled gel formation, which is valuable for encapsulation and drug delivery. Additionally, it is non-toxic, biodegradable, and generally recognized as safe (GRAS), supporting its use in consumer products and medical applications. The prebiotic and dietary fiber properties of pectin also contribute to health benefits, including improved digestion and gut microbiota modulation.
Conclusion
Pectin is a versatile and natural polysaccharide with broad applications in food, pharmaceuticals, and biotechnology. Its functional properties, including gelling, thickening, stabilization, and biocompatibility, combined with benefits such as safety, biodegradability, and health-promoting effects, make it an essential ingredient in both industrial and research contexts. The compound continues to support innovative product formulations, controlled-release systems, and sustainable material development.
