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Information ε-polylysine Introduction
ε-polylysine is a naturally produced, cationic homopolymer of 25-35 L-lysine（due to Streptomyces albulus fermentation.), which was connected by ε-amido bond compounded by a ε-amido of l-lysine and a a-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 not 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.
Hazard Identification
ε-Polylysine was found to be non-toxic at high levels in acute animal studies and was not mutagenic in bacterial reversion assays. ε-Polylysine is “Generally Recognized As Safe” (GRAS. GRN000315) by the FDA.
Physical and Chemical Properties
Appearance and PhysicalState: highly hygroscopic pale yellow powder
Melting Point: 172.8 °C
PH:5-8
Solubility in Water: soluble
Molecular Weight: 3200~4500 g/mol (degree of polymerization = 25~35)
Packages: 0.25kg, 0.5kg HDPE bottles with integral, tamper-proof seals, or 20 kg, 25kg cartons.
Shelf life:
Two years in cool (0-20°C), dry conditions, away from direct sunlight in original unopened packs.
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