Properties of Ɛ-polylysine – A natural preservative polylysine, natural preservative polylysine
- ε-polylysine (ε-poly-L-lysine) is produced by the fermentation of Streptomyces albulus.
- It has high antibacterial activity when its molecular weight is between 3600 – 4300.
- Broad-spectrum antibacterial: Works against fungi, gram-positive and gram-negative bacteria, yeast.
- Pale yellow powder, hygroscopic, almost odorless.
Characteristics of Ɛ – polylysine
- Wide pH range 2 – 9.
- Excellent thermal stability: Does not decompose at high temperature (120℃, 20 minutes), inhibits thermophilic bacteria, heat treatment together with raw materials is possible.
- Dosage: There are different dosages, depending on the type of product, ranging from 0.01 to 0.1%.
Applications
ε-polylysine have applications in various industries, including cosmetics, household chemicals, medical materials, pet food, fruits, vegetables, beans, edible mushrooms, rice products, wheat flour, raw cereals, meat products, spices, and beverages.
Beside of preservative Ɛ-polylysine, Ingreda Company Limited also has other preservatives such as: Nisin, Natamycin,…







