Since Nisin (also known as Streptococcus lactic peptide) is a polypeptide, it is rapidly inactivated ... food spoilage, and especially inhibits the heat-resistant bacilli, such as B. Stearothermophilus, CI. Butyricum and L. Monocytogenes. It is a ... , instant food, beer, wine ect. It can also be used as a preservative in gelatin processing, cosmetics, drugs and health products ...