Epsilon Poly l lysineIntroduction

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.

ε-polylysine Effect

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.

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