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Natamycin is a natural occurring anti-mycotic product which is classified as a polyene macrolide and can be produced through fermentation by Streptomyces spp.  Natamycin not only broadly and highly effectively inhibits the growth of various moulds and yeasts, but also inhibits the production of their toxins. It can be widely used in food preservation and as an anti-fungal treatment. Natamycin has no effect on bacteria, so it does not inhibit the natural maturing processes of yoghurt, cheese, fresh ham, sausage, etc.


  • Effectively inhibits yeast and mold
  • Non-toxic, Odorless, Neutral flavor impact
  • Extends the shelf-life of foods
  • Replaces traditional chemical preservatives
  • Does not affect useful bacteria
  • Cost efficiency due to little dosage but stronger effect


Natamycin can be added directly to foods by mixing, dipping or spraying. Depending on the application, the amount of natamycin needed varies. To prevent growth of all known food spoilage yeasts and moulds, up to 0.01g/L or 0.04 g/gallon is sufficient.

  • Surface Spraying: Block cheese and shredded cheese, Salami and other sausages.
  • Direct Addition/Mixing: Yogurt, Sour Cream, Cream cheese and Cottage cheese, Fruit juice and Fruit preparations.

Natamycin also can be applied to grain, silage storage preservation and fruit storage area, it can kill over one hundred kinds the mold may contaminate the grain and feed.


Natamycin is nontoxic to human bodies, and no any carcinogenesis, mutagenesis or hypersensitivity reaction (HSR) was observed after its use. No normal reistance of moulds and yeasts to natamycin was observed.

  • ADI 00.3mg/kg (FAO/WHO, 1994)
  • Safe to apply on food (FDA, 172.155, 1994
  • LD50 2.73g/kg (experiment with matured male mouse)


  • Meet the GB25532-2010 and FAO / WHO standards
  • We offer technical research team to test the efficacy and use of natamycin in food products, and assist clients in application development trials.

Packing and Storage

  • 50%-Natamycin (Lactose, Glucose or NaCl Carrier) and 95% natamycin (UPS/FCC)
  • 500g, 10kg, 25kg or packed to customer’s requirements.
  • Keeping in cool place with no direct sunshine exposure and the temperature is below 20°C, the validity period is two years.