Microorganisms

Preservation of food

Sun drying

Heating

Salting

Sugaring

Using oli and vinegar

Pasteurisation

Freezing

Canning

Using chemical preservatives

Types

Bacteria

Algae

Fungi

Protozoa

Viruses

Spoilage of food

Bacteria

Various bacteria are responsible for the spoilage of milk, cheese, meat, fruits, vegetable, etc. Certain bacteria cause poisoning in humans.

Fungi

Various fungi are responsible for the spoilage of eggs, meat, fruits and vegetables, Harmful fungi can also grow on bread, wine and beer, if not stored properly.

Diseases

Fungi

Potato blight

Corn smut

Leaf rust

Powdery mildew

Bacteria

Cholera

Typhoid

Gastric ulcer

Tetanus

Tuberculosis

Leprosy etc.

Virus

Influenza

rabies

hepatitis

polio

Protoza

malaria

trypanosomiasis

giardiasis

amoebiasis