Exposure of food to high temperatures for short periods to destroy harmful microorganisms.
Exposure of food to heat to inactivate enzymes that cause undesirable effects in foods during storage.
Fortification of foods with vitamins A and D.
Use of irradiation to destroy certain pathogens in foods.
How does drying help in preserving food?
Drying reduces the moisture in food making them light weight
Drying increases the moisture in food making them heavy
It exposes food to smoke
It controls the immediate environment of a food product
Which is essential for life?
House
Car
Food
Job
The process of treating of food to prevent growth of bacteria is known as:
Food contamination
Food spoilage
Food preservation
Food degradation
Which is the biological method of food preservation ?
Freezing
Drying
Fermentation
Adding salt
The organisms used in the process of fermentation:
metabolize all the oxygen in food.
produce water in the food.
utilize all the nutrients in a food.
produce products, such as acids, that inhibit the growth of other organisms.
Preservation of food by packing is:
Canning
Pasteurization
Packing
Who discovered pasteurization?
Thomas Pasteur
Louis Pasteur
Edward Pasteur
Michael Pasteur
Which is the oldest method of food preservation?
Smoking
What are the effects of eating spoilled food?
Make us healthy
Make us obese
Gives us lot of energy
Can cause diseases