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Food Borne Diseases-Intoxication,Bacterial,Viral&Parasitic Diseases

Food Borne Diseases
Food Borne Diseases-Intoxication, Bacterial, Viral And Parasitic Diseases

Food Intoxication:
Food intoxication means the addition of toxic material in food.
Food intoxication may be;
1. Due to Naturally Occurring Toxins in Some Foods;
for example;

  • Lathyrism ( caused by the presence of beta oxalyl amino-alanine in food)
  • Endemic ascitis ( caused by the presence of Pyrrolizidine alkaloids in food) 
2. Due to Toxins Produced By Certain Bacteria.
For example
  • Botulism 
  • Staphylococcus Toxins
3. Due to Toxins Produced by Certain Fungi.
Certain fungi grow on food, produce toxins. The toxins produced by fungi are;
  • Aflatoxin
  • Ergot
  • Fusarium toxin
4. Foodborne chemical poisoning. 
  • Heavy metal poisoning. For example, mercury (found if fish) cadmium ( fish shells) and lead ( found in canned food.
  • Oils Petroleum derivatives and solvents present in foods ( for example mixing of motor oil in vegetable oil.
  • Asbestos Poisoning 
  • Pesticide residues (DDT, BHC etc) in foods especially in vegetables and fruits.
Food-Borne Infections.

1. Bacterial Diseases;
For example;
  • Typhoid fever
  • Paratyphoid fever
  • Cholera
  • B. Cereus food poisoning
  • Brucellosis
  • Salmonellosis
  • Clostridium perfringens food poisoning
  • E. coli diarrhoea
  • Staphylococcal intoxication
  • Streptococcal infections
  • Shigellosis 
  • V. parahaemolyticus infection.
2. Viral Infections 
For example;
  • Hepatitis A
  • Viral Gastroenteritis
3. Parasitic Infections

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