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    • Natural preservative polylysine
      Polylysine
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      Natamycin
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      Nisin
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    Blueberry Juice
    Beverage
     
    Blueberry juice without sterilization, and add ε-polylysine, making the final concentration is 50, 100, 200 mg/L. Take the juice without adding ε-polylysine as a contrast.
     
    Place 5h, 24h and 48 h under normal temperature, then test the total number of bacteria colonies.
    Result:

    It can be shown from the picture that after adding ε-polylysine , the effect is significantly better than the group did not add. With the increase of dosage of ε-polylysine, can obviously improve the shelf life of milk, but when the dosage of ε-polylysine is too high, it is negatively correlated with the effect of the shelf life of milk.
    Natural Protective Solutions
    Nisin  preservative nisin food preservative nisin
    Nisin
    Natural Antimicrobial
    Nisin is used in processed foods and during production to extend shelf life by decomposing Gram-positive spoilage and pathogenic bacteria.
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    Natural preservative natamycin
    Natamycin
    Natural Yeast and Mold Inhibitor
    Natamycin (Pimaricin) is a natural antimicrobial for preventing yeasts and moulds.
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    Natural preservative polylysine
    Polylysine
    Broad Spectrum Antimicrobial
    Polylysine is an ideal natural antimicrobial to prolong the shelflife, with a high natural antimicrobial activity against a wide range of fungi, Gram-positive and Gram-negative bacteria and their spores.
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