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Food and Dairy Microbiology, B- Good (Desirable) Food Microbiology,…
Food and Dairy Microbiology
It is the study of the microorganisms that inhabit, create or contaminate food.
There are good (Desirable) and bad (Undesirable) microorganisms present in food.
Intrinsic factors
Factors affecting the growth of microorganisms
Extrinsic factors
Temperature
Time
Atmosphere
Humidity
pH
Oxidation
Reduction
Water acttivity
B- Good (Desirable) Food Microbiology
It is the interaction between microorganisms and food which gives benefits to human.
Dairy Industry
Cereal industry
Meat industry
Reduce wastes
Food additives
Food
Biopreservation
Food Bioprocessing
Probiotics
It improves natural immunity and digestive system.
Techniques
Pickling
Salting
Sugaring
Freezing
Drying
Irradiation
Techniques
Homogenisation
Pasteurization
Canning
Drying
Smoking
A- Bad (Undesirable) Food Microbiology
1- Food Spoilage:
It is a condition of contaminated food due to of microorganisms in food or action of microbial heat stable enzymes.
2- Food-borne Diseases:
It includes diseases caused by consuming contaminated food in which different pathogenic microorganisms are present during handling process.
Compylobacter
Clostridium botulinum
Shigellosis
Major causes of food Spoilage
Physical
Temperature
pH
Light
Mechanical damage
Microorganisms
Yeast
Molds
Bacteria
Chemical
Rancidity
Chemical interactions
Non enzymatic activity
It cause deterioration of food
Youghurt
Cheese
Benefits
Aymen Shahzad
Registration #: 23942
