What is food poisoning?

Food poisoning can be defined as a sickness characterized by stomach pains and diarrhea and sometimes vomiting, developing within 1-36 hours after eating affected food.

Causes of food poisoning:

Food poisoning results when harmful food are eaten. Then may be harmful because:

  1. Chemicals have entered food accidentally during the growth, preparation or cooking of the food.
  2. Germs have entered the food from humans, animals or other sources and the bacteria themselves, or the toxins produces in the food by certain bacteria, have caused the food to be harmful. By far the greatest number of cases of food poisoning is caused by harmful bacteria.


1. Chemical food poisoning :

Certain chemicals may accidentally enter food and cause food poisoning.

Arsenic is used to spray fruit during growth, and occasionally fruit has been affected by this poison.

Lead poisoning can occur from using water that has been in contact with lead pipeS and drunk or used for cooking.

Antimony or zinc. Acid foods if stored or cooked in poor quality enameled or galvanized containers can also cause food poisoning.


Copper pans should be correctly tinned and used for strong food, particularly acid foods, as copper can be affected by them.


Certain plants are poisonous – for example, poisonous mushrooms or fungi. Rhubarb leaves and parts of potatoes which are exported to the sun above the surface of the soil are also poisonous



Food poisoning can be prevented by:


  1. High standards of personal hygiene
  2. Attention to physical fitness
  3. Maintaining good working conditions
  4. Maintaining equipment in good repair and clean equipment
  5. Correct storage of food stuffs at the right temperature  
  6. Correct reheating food
  7. Quick cooling of foods prior to storage
  8. Protection of foods from vermin and insects
  9. Hygiene wash up procedure
  10. Food handlers knowledge how food poisoning is caused
  11. Food - handlers not only knowing out carrying out procedures to prevent food poisoning