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
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