ε-Polylysine

详情

Description ε-Polylysine is a natural substance from streptomyces albulus metabolism. It is widely used as food preservative. It can inhibit the growth of Gram-positive and Gram-negative bacteria, yeasts, moulds, bacteria, ***** physical properties ε-Polylysine is hygroscopic, light yellow power. It is soluble in water, slightly soluble in ethanol, insoluble in organic solvent such as ethyl acetate, ether, ***** The molecular of ε-Polylysine is a straight chain polymer of lysine. It can decompose for lysine within the human body, and can be completely digested absorption by the human body，not only doesn’t have any poisonous side-effect, but also can be regard as the source of one kind of lyisine. ε-Polylysine can inhibit the growth of Gram(+) and Gram(-) bacteria , yeast, mould, virus, ect., especially inhibit the Gram(-) bacteria which can’t easily inhibit by other preservatives，such as *****, Salmonella, and also can inhibit the thermophilics, such as B, stearothermophilus. Its activity is not affected by PH, and stable when heated (**0℃ for *0min). Therefore, it can be sterilized along with the raw material. It is a food preservative which is highly efficient, safe, and has no side-effects. Quality standard; FAO/WHO, ***2