Podcast
Questions and Answers
What is the primary purpose of heat treatment in food preservation?
What is the primary purpose of heat treatment in food preservation?
- To alter the texture of the food
- To kill microorganisms and extend shelf life (correct)
- To change the color of the food
- To enhance the flavor of the food
What is the typical temperature used for heat treatment in canning?
What is the typical temperature used for heat treatment in canning?
- 150 ÌŠC
- 180 ÌŠC
- 100 ÌŠC
- 121 ÌŠC (correct)
Which material is often used as a lining in untinned steel cans?
Which material is often used as a lining in untinned steel cans?
- Plastic (correct)
- Glass
- Tin
- Aluminum
What is the primary microorganism that heat treatment aims to destroy in canning?
What is the primary microorganism that heat treatment aims to destroy in canning?
In which type of vessel are containers placed for heat treatment?
In which type of vessel are containers placed for heat treatment?
What is the primary purpose of reducing water content in food before freezing?
What is the primary purpose of reducing water content in food before freezing?
What happens to the volume of fruit juices after concentration?
What happens to the volume of fruit juices after concentration?
What is the resulting solid content percentage of milk after evaporation?
What is the resulting solid content percentage of milk after evaporation?
What is the purpose of blanching before freezing?
What is the purpose of blanching before freezing?
How many processes are available for food concentration?
How many processes are available for food concentration?
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