Nisin Raw Material Powder 25KG

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• Processed meats: Sausages, deli meats (e.g., ham, turkey slices), and canned meats are high-risk products forListeriagrowth, even under refrigeration. Nisin is applied via two methods: (1)direct addition(5–15 IU/g) during meat blending to inhibit pathogens throughout the product; (2)surface coating(10–20 IU/mL spray or dip) to prevent surface contamination (a common entry point forListeria). For example, adding nisin to deli ham reducesListeriacounts by 3–5 log CFU/g and extends refrigerated shelf life from 3–4 weeks to 6–8 weeks.
• Raw meats and poultry: While nisin cannot eliminate all pathogens in raw products, it is used as a "pre-harvest" or "post-slaughter" treatment to reduce pathogen loads. For raw chicken, a nisin-based spray (15 IU/mL) applied after washing reducesStaphylococcus aureusandCampylobacter jejuni(a common cause of food poisoning) by 2–3 log CFU/g, enhancing safety for consumers who may undercook the product.
• Seafood: Fresh fish, shrimp, and shellfish spoil rapidly due to bacteria likeShewanella putrefaciensandVibrio parahaemolyticus. Nisin (5–10 IU/g) is mixed into seafood coatings (e.g., alginate films) or added to marinades, extending refrigerated shelf life by 3–5 days and reducingVibriocontamination in raw oysters (a high-risk product for foodborne illness).

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