| ≥1 piece |
NISIN is a polypeptide which is made from Streptococcus lactic. It is made up of thirty-four amino-acid residues. In addition, it is a natural, nonpoisonous, secure, effective and no any side effects food antiseptics. NISIN is grayish white or yellowish powder.
The antimicrobial spectrum of Nisin shows that it can kill or inhibit G+ which can make foods putrefactive, especially to bacterial spore which has tolerance towards pasteurization and bacillus alcalophilus. Nisin can inhibit some bacteria, such as Clostridium botulinum, bacillus cereus, listeria monocytogenes and bacillus stearoacidophiles and so on. It is useful in 10-50ppm.
Nisin is a polypeptide. Lt will be broken down into amino acid by proteinase in the digestive system by being eaten. Also, it won't change the normal bacterial community in intestine or cause drug resistance of using other antibiotic substance. Moreover, it doesn't appear chiasmatic resistance with other antibiotic substance. The study of microbes toxicity of Nisin shows that it owns high security for having no toxicity or pathogenicity.