Bacteria and fungi

They can look like:

• Cocci (globes)

• Rod

• Vibrio

• Corkscrew

• Spirochete

• Hypha & Stalk

Structure

First observers of bacteria

Louis Pasteur Robert Koch Paul Ehrlich

Tetanus

• After some weeks - syptoms– headache– can‘t move mouth– muscle cramps

• death• Inoculation (injection)

Alcoholic fermentation

• Microorganisms turn sugar into alcohol

• wine out of grape must

Preservation of food

• Drying• Freezing• Smoking• Salting• Packing in vacuum• Acidifying• Irradiation • Solidifying

Drying

Freezing

Smoking

Salting

Packing in vacuum

acidifying

Irradiation

solidifying