Microbial Food Contaminants in detail

Microbial Food Contaminants

Contamination from Natural Fertilizers

  • In both organic and non-organic agriculture, the use of untreated or inadequately handled manure or biosolids as fertilisers or soil nutrition agents can contaminate goods and/or water supplies.
  • Various human pathogens have been found in both animal and human faeces.
  • Manure or biosolids that have been properly handled make efficient and secure fertilisers.
  • Pathogenic organisms may endure compost for up to 60 days.

E. coli Contamination

  • Cattle that are primarily fed starchy grains acquire the virulent strains of E. coli in their digestive systems.
  • Less than 1% of the E. coli identified in the faeces of animals fed grains are produced by cows that are mostly fed hay.
  • As a result, ruminants (cattle and sheep) are fed diets that contain a significant amount of hay, silage, and grass.
  • E. coli contamination may be less likely in organic farming.


  • Mycotoxins are dangerous byproducts of some moulds that, given the right circumstances, can develop on specific food products.
  • The most dangerous of these chemicals, aflatoxins, can result in liver cancer at low quantities if consumed over an extended period of time.
  • Since fungicides are not permitted in organic farming, there may be an increased danger of mycotoxic contamination.
  • Therefore, to reduce the danger of mould development and mycotoxin contamination, excellent farming, handling, and storage techniques are necessary in organic agriculture.

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