Nisin

**Definition:** A 34-amino acid polypeptide antibiotic produced by Streptococcus lactis. It has been used as a food preservative in canned fruits and vegetables, and cheese.

**Tree numbers:** - D04.345.566.582 - D12.644.641.582 - D12.776.097.151.700 - D12.776.543.695.110.700