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Epsilon Polylysine
CAS No.: 28211-04-3
ε-polylysine is a naturally produced, cationic homopolymer of 25-30 L-lysine(due to Streptomyces albulus fermentation.), which was connected by ε-amido bond compounded by a e-amido of l-lysine and a e-carboxyl of another l-lysine.
ITEM |
STANDARD |
|
Description |
Off-white powder |
|
ε-Polylysine Purity |
≥99% |
|
Loss on drying |
≤10% |
|
Residue on ignition |
≤1% |
|
Heavy metals |
≤20ppm |
|
Arsenic |
≤4ppm |
|
ε-polylysine Effects
1> ε-polylysine can greatly inhibit the growth of bacteria, yeasts and moulds bacteria, especially to the Gram+ bacteria which can’t easily inhibit by others.
2> As a good preservative, ε-PL is characterized as being high safety, water-soluble, stable at high temperatures, widely usage, non prejudice to the taste, antibacterial in neutral or subacidity conditions.
3> Because of the stability at high temperatures, it can inhibit some heat-resistant bacillus after heat treatment and some tadpole-form noncontractile siphovirus as well.
4> ε - PL can stop small intestine fat absorption through inhibiting pancreatic lipase activities, so it can be the diet therapy for obese patients.
5> Besides, ε - PL also can be used in cosmetics, disinfectant or cleaner for food machinery or hutch, etc..
Physical and Chemical Properties
Appearance and Physical State: highly hygroscopic pale yellow powder
Melting Point: 172.8 °C
PH: 9
Solubility in Water: soluble
Molecular Weight: 4700 g/mol (degree of polymerization = 30)
Packages: Strong damp-proof, water-proof packing
1kg,2kg, 25kg or packed to customer's requirements.
Shelf life: Two years in cool (0-20°C), dry conditions, away from direct sunlight in original unopened packs.
Application:
| Food Type Food Name | Dosage | |
| cooked meat | sausage | 100-250 mg/kg |
| Western-style ham | 100-250 mg/kg | |
|
Fresh livestock meat |
Cold Fresh meat | 200-400 mg/kg (Surface treatment |
| Frozen meat | 200-400 mg/kg (Surface treatment) | |
| Juices and drinks | Drinking pure water, | 50-100 mg/kg |
| Fruit drinks | 100-200 mg/kg | |
| Protein kind drink | 100-200 mg/kg | |
| Water-based seasonings drinks | 100-200 mg/kg | |
| Tea, coffee, plant drinks | 100-200 mg/kg | |
| aquatic products | Fresh seafood | 200-400 mg/kg (Surface treatment) |
| Frozen seafood and its products | 200-400 mg/kg (Surface treatment) | |
| Precast aquatic products | 150-300 mg/kg | |
| Cooked aquatic products | 150-300 mg/kg | |
| bakery products | bread | 100-200 mg/kg |
| Chinese style pastry | 150-250 mg/kg | |
| Western pastry | 150-250 mg/kg | |
| dairy products | Pure milk | 100-200 mg/kg |
| Dilute cream | 150-250 mg/kg | |
| Dilute cream cheese | 150-250 mg/kg | |
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