Products

Beijing Oriental Rada Biotech Polylysine is a natural substance from microbial metabolism. It is widely used as food preservative. It can inhibit the growth of Gram(+) and Gram(-) bacteria such as E. coli and Bacillus subtilis, yeast, lactic acid bacteria, Staphlacoccus aureus, ect..ε-Polylysine is produced by the aerobic fermentation of streptomyces albulus and followed with a series of filtration, extraction and purification processes.ε-Polylysine is slightly bitter, hygroscopic, light yellow power. It is soluble in water, slightly soluble in ethanol. The molecular of ε-Polylysine is a straight chain polymer of L-lysine. Its activity is not affected by pH, and stable when heated（120℃ for 20 min）.

Beijing Oriental Rada Biotech Lysozyme is a kind of natural antimicrobial agent derived from liquid egg. It is mainly used in milk as agent or applied in food products as natural food preservatives. It is also a kind of raw material in pharmaceutical industry.

Beijing Oriental Rada Biotech Natamycin is an antimyotic product which have broad and effective power. It is reliable in application and safe to human body. Natamycin has no effect on bacteria,so it does not prevent in the natural maturing process of food.

Beijing Oriental Rada Biotech Nisin is a polypeptide, with 34 amino acid residues widely used as a food preservative. Nisin possesses anti-microbial activity against a wide range of Gram-positive bacteria and their spores in food.