Podcast
Questions and Answers
What is the primary mechanism of freeze drying?
What is the primary mechanism of freeze drying?
- Dehydration using acidification
- Sublimation of ice at low pressure (correct)
- Evaporation of water using heat
- Osmotic pressure difference
What is the primary function of solar drying in the food industry?
What is the primary function of solar drying in the food industry?
- To minimize waste and reduce drying time (correct)
- To ferment food using beneficial bacteria
- To increase the osmotic pressure of food
- To preserve food using acidification
What is the principle behind osmotic dehydration?
What is the principle behind osmotic dehydration?
- Removal of water using heat
- Removal of water using sublimation
- Removal of water due to osmotic pressure difference (correct)
- Removal of water using acidification
What is the purpose of salting and brining in food preservation?
What is the purpose of salting and brining in food preservation?
What is the primary advantage of solar drying over sun drying?
What is the primary advantage of solar drying over sun drying?
What is not mentioned as a technique of food preservation in the text?
What is not mentioned as a technique of food preservation in the text?
What is the process of removing moisture from produce through the application of heat from air flow?
What is the process of removing moisture from produce through the application of heat from air flow?
What is the process of preserving food by reducing the water content using a concentrated solution?
What is the process of preserving food by reducing the water content using a concentrated solution?
What type of storage method regulates temperature, humidity, and gas concentrations to preserve food?
What type of storage method regulates temperature, humidity, and gas concentrations to preserve food?
What process uses the sun's heat to dry fruits and vegetables?
What process uses the sun's heat to dry fruits and vegetables?
What is the process of preserving food by freezing the water content and then reducing the surrounding pressure to allow the frozen water to sublimate?
What is the process of preserving food by freezing the water content and then reducing the surrounding pressure to allow the frozen water to sublimate?
What method of food preservation is based on exposing food to temperatures below its freezing point?
What method of food preservation is based on exposing food to temperatures below its freezing point?
What type of products commonly use active packaging?
What type of products commonly use active packaging?
What three gases are commonly used in active packaging?
What three gases are commonly used in active packaging?
What is the ideal temperature range for storing fresh fruits and vegetables?
What is the ideal temperature range for storing fresh fruits and vegetables?
What is the purpose of high pressure processing in food preservation?
What is the purpose of high pressure processing in food preservation?
What is the role of ozone gas in food preservation?
What is the role of ozone gas in food preservation?
What is the purpose of pulse electric field treatment in food preservation?
What is the purpose of pulse electric field treatment in food preservation?
