... polylysine is a naturally produced, cationic homopolymer of 25-30 L-lysine(due to Streptomyces albulus fermentation.), which was connected by ... bond compounded by a e-amido of l-lysine and a e-carboxyl of another l-lysine. ITEMSTANDARDDescriptionPale yellow powderε-Polylysine Purity ≥95% ... , so it can be the diet therapy for obese patients.5> Besides, ε - PL also can be used in cosmetics, disinfectant ...