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5 Cards in this Set

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  • Back

Food Preservation; why


1.


2.


3.


4.


5.

Reduces waste and risk of food poisoning. Maintains nutritive value, saves money and ensure food is available throughout the year.





  1. Low temperatures
  2. High temperatures
  3. Dehydration
  4. Pasteurising/Sterlisation
  5. Smoking/Curing

Food Poisoning




Any disease of an infectious or toxic nature caused by the consumption of food or water

Causes of Food-borne Illness

  • Natural Toxins
  • Contamination
  • Microbes

Microbes

(sf)Bacillus spp. - B. cereus


Campylobatcer spp. - C. jejuni


(sf)Clostridium spp.- C. perfringens ,C. botulinum


Escherichia coli - E. coli Serotype O157: H7


Listeria monocytogenes


Salmonella spp. - S. enteritidis


(sf) Staphylococcus aureus

Food Poisoning Types;

  1. Intoxication

Ingestion of food/water contaminated with pre-formed toxins




2. Infections


When food/water acts as a carrier of organisms rather than a medium for growth.


- Invasive e.g. Samlonella spp.


- Non-invasive e.g. Clostridium perfringens