ε-Poly-L-Lysine(Polylysine) is a natural-based material manufactured by JNC CORPORATION with its own bio-technology. Polylysine is a straight chain polymer of Lysine, which is one of the essential amino acids. Polylysine is a polycation, therefore it has an excellent bacteriostatic effect and its safety has been ensured by various toxicity tests such as chronic toxicity tests, and so this compound can be used as a food additives. Furthermore, it is expected to be applied to bioplastics. JNC Polylysine 25g (reagent size) is now available from FUJIFILM Wako. This is in response to customer requests.