Nisin (Nisin), also known as nisin peptide or transliteration Nixin, Nisin is a peptide substance produced by the 34 amino acid residues. Consumed in the human body's physiological pH conditions and α-chymotrypsin hydrolysis into amino acids under the action of quickly, does not change the normal human gut flora and other antibiotics have emerged as the resistance problem, but not with other antibiotics cross-resistance occurs, is an efficient, non-toxic, safe, no side effects of natural food preservatives. Can be widely used in meat, dairy products, canned food, seafood, drinks, juice drinks, liquid eggs and egg products, spices, wine-making process, baked goods, convenience foods, incense based fragrances, cosmetics, etc..