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CHAPTER 1 INTRODUCTION TO FOOD MICROBIOLOGY (HISTORY OF MICROORGANISMS IN…
CHAPTER 1 INTRODUCTION TO FOOD MICROBIOLOGY
HISTORY OF MICROORGANISMS
IN FOOD
When It Started?
Food gathering period
1 million to 8000 years ago
Carnivorous diet
Food producing period
8000 to 10000 years ago
Problems of spoilage
Food poisoning
First boiler pots
Preservation of food-Dead Sea Salt by Jews
Sumerians- first make butter (great breeders/dairymen)
Mummification
Preservation of foods
Oil
Sesame
Ergot Poisoning
Claviceps purpurea
Fungus grows on rye and grains
Deaths in Middle Ages
A. Kircher
Father of Food Microb
Examined decay bodies, meat, milk and other subs (worms)
Lack precision
Lazzaro Spallanzani
Boiled soups an hour and sealed in containers
Broke the seals & become cloudy with microbes
Spontaneous generation
Prolonged heating destroyed life-force (o/g cannot survive)
Louis Pasteur
Father of Microb
Appreciate and understand the presence and role of microorganisms in food
Showed souring of milk
Used heat 1st time to destroy undesire microorganism
Wine
Beer
Frangois (Nicholas) Appert
Discover canning
Practical method food preservation
Parisian confectioner
Preserve meat in glass bottles
Kept in boiling water long time
FOOD MICROBIOLOGY AS IT IS..
What is Food Microbiology?
Study of microorganisms that INHIBIT, CREATE CONTAMINATE FOOD
Application of Microbiology
Medical
Pharmaceutical
Food
Industrial
Agricultural
Acro
Why Study Food Microbiology?
Provide Clean, Safe, Healthful Food to Consumer
Food premise growth
Control of microbial growth
Prevent
Food spoilage
Food-borne illnesses
Food preservation and production
FOOD BORNE BACTERIA
Listeria Monocytogenes
S.aureus MRSA
E.coli
Vibrio Vulnificus
Campolybacter jejuni
Arobacter spp.
Salmonella
Myobacterium paratuberculosis
Shigella
FOOD BORNE PATHOGENS
Link Title
FOOD BORNE VIRUS
FOOD BORNE FUNGI
FOOD BORNE PARASITES
Link Title
ROLE AND SIGNIFICANCE OF MICROORGANISM IN FOOD
Emerging Foodborne Pathogens
Bacteria
Viruses
Parasites
Prion
Emerging Foodborne Diseases
Widespread
Increase rapidly
Feel pain and death
Appeared recently
Economic impact
Threat to all persons
Lifestyle
Socio-economic status
Age
Sex
Microorganisms in food
Bacteria
Fungi
Yeast
Mold
Parasites
