Nisin acts as a natural antimicrobial preservative derived from bacterial fermentation, providing microbial stability in dairy, beverages, and processed foods. This bacteriocin effectively inhibits gram-positive bacteria, ensuring extended shelf life while maintaining product quality. As a clean-label solution, Nisin meets consumer demand for natural preservation methods without compromising food safety or shelf stability. Industry Applications: Dairy product manufacturing, canned food production, processed cheese operations, beverage formulation, and heat-treated food preservation.