epsilon-Polylysine, e-PL

Description:
Description

epsilon-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, ect..



physical properties

epsilon-Polylysine is hygroscopic, light yellow power. It is soluble in water, slightly soluble in ethanol, insoluble in organic solvent such as ethyl acetate, ether, ect.. The molecular of -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 bodynot only doesnt have any poisonous side-effect, but also can be regard as the source of one kind of lyisine.



epsilon-Polylysine can inhibit the growth of Gram(+) and Gram(-) bacteria , yeast, mould, virus, ect., especially inhibit the Gram(-) bacteria which cant easily inhibit by other preservativessuch as E.coli, Salmonella, and also can inhibit the thermophilics, such as B,stearothermophilus. Its activity is not affected by PH,  and stable when heated (120 for 20min). 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,1992

1. content
  87%

2. heavy metal (as Pb)
   20ppm

3. weight lost when drying (105,3h)
  20%

4. Ash
  1%



Toxicity; LD505g/kg



Range of application

-Polylysine was generally recognized as a safe food preservative by FDA in October,2003. It is widely used in food preservation. In food application, it is usually applied with alcohol, organic acids, or glyceride, etc.. It can be used in cooked rice, cakes, snacks, noodles, drinks, brewing, meat products, canned food, etc.



Usage

You may confect the 5-10% epsilon-Polylysine solution with cold boiled water or distilled water, then put it into the food and mix fully. If it is used together with other food preser

Place of Origin:	China(Mainland)
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