supply food antiseptics Nisin
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Nisin is a polypeptide extracted and purified from the fermentation of Streptococcus Lactic strain, which contains thirty-four amino acid residues. And it possesses anti-microbial activity against a wide rang of Gram-positive bacteria which makes foods putrid, especially inhibits the heat-resistant bacillus, Clostridium Botulinum and Listeria Monocytogenes and so on. When using it in the process of food, it can not only reduce the time of heat treatment, the time of disinfection, and the energy to use, but also can make the food retain its original character. It is a natural, nonpoisonous and high efficacious food preservative.