TECHNOLOGY
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The operating principle

The operating principle is closely related to the properties of the filler.

The inorganic part captures contaminants in water vapour and gas while the organic molecule’s specific function is to capture oxygen and/or make the packaging surfaces less susceptible to colonization by microorganisms.

This gives the food an optimal environment, which benefits its shelf-life.

The filler, which is a micrometer-sized solid, is homogeneously dispersed mainly in the inner surface in the packaging material that comes into contact with the food.

cronogard® only uses substances included in Annex I of Commission Regulation (EU) No. 10/2011 and subsequent updates and amendments

 

Biofilm inhibition

Traditional polymeric materials for packaging food protect it from attack by external agents, but are not very effective at inhibiting the development of biofilm.

Biofilm is a complex aggregation of microorganisms that secrete a protective and adhesive matrix.

Some microorganisms are unable to cling to a surface, but often adhere to the matrix or to those that have already colonized.

Once colonization begins, the biofilm grows by cell division and by the integration of external bacteria, including those of other species, which mainly develop at the points where the surface of the packaging comes into contact with the food.

The use of cronogard® has been shown to substantially slow the formation of biofilm (40-50%) and guarantees an environment morefit for food preservation. This feature significantly contributes to prolonging the food’s shelf life.

 

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